Cisco Catalyst SD-WAN Security Hardening Release - Access Control Vulnerabilities
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.
Summary
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20304 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) CWE-284.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cisco | Cisco Catalyst SD-WAN Controller | 20.6.4; 20.9.2; 20.3.6; 20.7.2; 20.7.1; 20.5.1; 20.6.2; 19.3.0; 20.6.1; 17.2.4; 18.2.0; 18.4.6; 19.1.0; 19.2.4; 19.2.929; 18.3.8; 18.4.303; 18.3.7; 18.4.1; 19.2.097; 19.2.0; 19.2.099; 18.3.6; 20.4.2; 19.0.0; 20.9.1; 20.3.5; 20.3.1; 18.3.5; 20.6.3; 18.4.3; 18.4.4; 18.3.3; 17.2.8; 20.8.1; 19.2.32; 19.2.2; 17.2.5; 18.4.0; 20.4.1.1; 20.1.3; 20.1.2; 17.2.10; 19.2.098; 20.1.1; 17.2.6; 19.2.1; 18.3.4; 20.4.1; 17.2.9; 19.2.31; 19.0.1a; 18.3.0; 17.2.7; 18.4.5; 20.3.4; 20.3.3; 20.4.1.2; 20.3.2; 18.3.1; 20.1.12; 19.2.3; 20.10.1; 20.6.5; 20.3.7; 20.9.3; 20.11.1; 20.6.3.2; 20.4.2.3; 20.3.5.1; 20.3.4.3; 20.9.3.1; 20.6.4.1; 20.3.3.2; 20.6.5.2; 20.3.7.1; 20.11.1.1; 20.10.1.1; 20.6.1.2; 20.1.3.1; 20.9.2.2; 20.6.5.3; 20.6.3.3; 20.3.7.2; 20.6.5.4; 20.9.2.3; 20.9.4; 20.12.1; 20.3.8; 20.6.6; 20.12.2; 20.13.1; 20.9.5; 20.12.3; 20.6.7; 20.9.5.1; 20.14.1; 20.12.3.1; 20.12.4; 20.15.1; 20.9.6; 20.6.8; 20.16.1; 20.9.5.3; 20.12.4.1; 20.15.2; 20.12.5; 20.9.7; 20.15.3; 20.12.5.1; 20.12.5.2; 20.15.4; 20.9.7.1; 20.18.1; 20.12.6; 20.9.8; 20.15.4.1; 20.18.2; 26.1.1; 20.15.4.2; 20.18.2.1; 20.12.5.3; 20.12.6.1; 20.9.8.2; 20.15.5; 20.18.3; 20.12.7; 20.9.9; 20.18.2.2; 20.12.5.4; 20.12.7.1; 20.15.5.1; 20.15.4.3; 20.12.6.2; 20.15.5.2; 20.15.4.4; 26.1.1.1; 20.9.9.1; 20.18.3.1; 26.1.1.2; 20.15.4.5; 20.15.5.3; 20.12.7.2; 20.9.9.2; 20.18.4; 20.15.6; 20.12.8 | — | No fix listed | CNA |
| Cisco | Cisco Catalyst SD-WAN Manager | 20.1.12; 19.2.1; 18.4.4; 18.4.5; 20.1.1.1; 20.1.1; 19.3.0; 19.2.2; 19.2.099; 18.3.6; 18.3.7; 19.2.0; 18.3.8; 19.0.0; 19.1.0; 18.4.302; 18.4.303; 19.2.097; 19.2.098; 17.2.10; 18.3.6.1; 19.0.1a; 18.2.0; 18.4.3; 18.4.1; 17.2.8; 18.3.3.1; 18.4.0; 18.3.1; 17.2.6; 17.2.9; 18.3.4; 17.2.5; 18.3.1.1; 18.3.5; 18.4.0.1; 18.3.3; 17.2.7; 17.2.4; 18.3.0; 19.2.3; 18.4.501_ES; 20.3.1; 20.1.2; 19.2.929; 19.2.31; 20.3.2; 19.2.32; 20.3.2_925; 20.3.2.1; 20.3.2.1_927; 18.4.6; 20.1.2_937; 20.4.1; 20.3.2_928; 20.3.2_929; 20.4.1.0.1; 20.3.2.1_930; 19.2.4; 20.5.0.1.1; 20.4.1.1; 20.3.3; 19.2.4.0.1; 20.3.2_937; 20.3.3.1; 20.5.1; 20.1.3; 20.3.3.0.4; 20.3.3.1.2; 20.3.3.1.1; 20.4.1.2; 20.3.3.0.2; 20.4.1.1.5; 20.4.1.0.01; 20.4.1.0.02; 20.3.3.1.7; 20.3.3.1.5; 20.5.1.0.1; 20.3.3.1.10; 20.3.3.0.8; 20.4.2; 20.4.2.0.1; 20.3.4; 20.3.3.0.14; 19.2.4.0.8; 19.2.4.0.9; 20.3.4.0.1; 20.3.2.0.5; 20.6.1; 20.5.1.0.2; 20.3.3.0.17; 20.6.1.1; 20.6.0.18.3; 20.3.2.0.6; 20.6.0.18.4; 20.4.2.0.2; 20.3.3.0.16; 20.3.4.0.5; 20.6.1.0.1; 20.3.4.0.6; 20.6.2; 20.7.1EFT2; 20.3.4.0.9; 20.3.4.0.11; 20.4.2.0.4; 20.3.3.0.18; 20.7.1; 20.6.2.1; 20.3.4.1; 20.5.1.1; 20.4.2.1; 20.4.2.1.1; 20.3.4.1.1; 20.3.813; 20.3.4.0.19; 20.4.2.2.1; 20.5.1.2; 20.3.4.2; 20.3.814; 20.4.2.2; 20.6.2.2; 20.3.4.2.1; 20.7.1.1; 20.3.4.1.2; 20.6.2.2.2; 20.3.4.0.20; 20.6.2.2.3; 20.4.2.2.2; 20.3.5; 20.6.2.0.4; 20.4.2.2.3; 20.3.4.0.24; 20.6.2.2.7; 20.6.3; 20.3.4.2.2; 20.4.2.2.4; 20.7.1.0.2; 20.8.1; 20.3.5.0.8; 20.3.5.0.9; 20.4.2.2.8; 20.3.5.0.7; 20.6.3.0.7; 20.6.3.0.5; 20.6.3.0.10; 20.6.3.0.2; 20.7.2; 20.9.1EFT2; 20.6.3.0.11; 20.6.3.1; 20.6.3.0.14; 20.6.4; 20.9.1; 20.6.3.0.19; 20.6.3.0.18; 20.3.6; 20.9.1.1; 20.6.3.0.23; 20.6.4.0.4; 20.6.3.0.25; 20.6.5; 20.6.3.0.27; 20.9.2; 20.9.2.1; 20.6.3.0.29; 20.6.3.0.31; 20.6.3.0.32; 20.10.1; 20.6.3.0.33; 20.9.2.0.01; 20.9.1_LI_Images; 20.10.1_LI_Images; 20.9.2_LI_Images; 20.3.7; 20.9.3; 20.6.5.1; 20.11.1; 20.11.1_LI_Images; 20.9.3_LI_ Images; 20.6.3.1.1; 20.9.3.0.2; 20.6.5.1.2; 20.9.3.0.3; 20.4.2.3; 20.6.3.2; 20.6.4.1; 20.6.3.0.38; 20.6.3.0.39; 20.3.5.1; 20.3.4.3; 20.9.3.1; 20.3.3.2; 20.6.5.2; 20.3.7.1; 20.10.1.1; 20.6.5.2.1; 20.3.4.0.25; 20.6.2.2.4; 20.6.1.2; 20.11.1.1; 20.9.3.0.5; 20.3.4.0.26; 20.6.5.1.3; 20.6.3.0.40; 20.1.3.1; 20.9.2.2; 20.6.5.2.3; 20.6.5.1.4; 20.6.5.3; 20.6.3.0.41; 20.9.3.0.7; 20.6.5.1.5; 20.9.3.0.4; 20.6.4.0.19; 20.6.5.1.6; 20.9.3.0.8; 20.6.3.3; 20.3.7.2; 20.6.5.4; 20.6.5.1.7; 20.9.3.0.12; 20.6.4.2; 20.6.5.5; 20.9.3.2; 20.11.1.2; 20.6.3.4; 20.10.1.2; 20.6.5.1.9; 20.9.3.0.16; 20.6.3.0.45; 20.6.5.1.10; 20.9.3.0.17; 20.6.5.2.4; 20.6.4.0.21; 20.9.3.0.18; 20.6.3.0.46; 20.6.3.0.47; 20.9.2.3; 20.9.3.2_LI_Images; 20.9.3.0.21; 20.9.3.0.20; 20.9.4_LI_Images; 20.9.4; 20.6.5.1.11; 20.12.1; 20.12.1_LI_Images; 20.6.5.1.13; 20.9.3.0.23; 20.6.5.2.8; 20.9.4.1; 20.9.4.1_LI_Images; 20.9.3.0.25; 20.9.3.0.24; 20.6.5.1.14; 20.3.8; 20.6.6; 20.9.3.0.26; 20.6.3.0.51; 20.9.3.0.29; 20.12.2; 20.12.2_LI_Images; 20.6.6.0.1; 20.13.1_LI_Images; 20.9.4.0.4; 20.13.1; 20.9.4.1.1; 20.9.5; 20.9.5_LI_Images; 20.12.3_LI_Images; 20.12.3; 20.9.4.1.3; 20.6.7; 20.9.5.1; 20.9.5.1_LI_Images; 20.9.4.1.6; 20.14.1; 20.14.1_LI_Images; 20.9.5.2; 20.9.5.2.1; 20.9.5.2_LI_Images; 20.12.3.1; 20.12.4; 20.15.1_LI_Images; 20.15.1; 20.9.5.1.4; 20.9.5.2.7; 20.9.5.2.13; 20.9.6; 20.9.6_LI_Images; 20.9.5.2.14; 20.6.8; 20.12.4.0.03; 20.16.1; 20.16.1_LI_Images; 20.12.4_LI_Images; 20.9.5.2.16; 20.12.4.0.4; 20.12.401; 20.9.5.3; 20.9.5.3_LI_Images; 20.12.4.1_LI_Images; 20.12.4.1; 20.9.5.2.21; 20.9.6.0.3; 20.12.4.0.6; 20.15.2_LI_Images; 20.15.2; 20.12.4_Monthly_ES5; 20.12.5; 20.12.5_LI_Images; 20.9.7_LI _Images; 20.9.7; 20.15.3; 20.15.3_ LI _Images; 20.12.501; 20.12.5.1_LI_Images; 20.12.5.1; 20.12.5.2_LI_Images; 20.12.5.2; 20.15.3.1; 20.15.4_LI_Images; 20.15.4; 20.9.7.1_LI _Images; 20.9.7.1; 20.18.1; 20.18.1_LI_Images; 20.12.6_LI_Images; 20.12.6; 20.12.5.1.01; 26.0.1; 20.9.8; 20.9.8_LI_Images; 20.18.2; 20.15.4.1_LI_Images; 20.15.4.1; 20.18.2_LI_Images; 26.1.1; 26.1.1_LI_Images; 20.18.2.1_LI_Images; 20.18.2.1; 20.15.4.2_LI_Images; 20.15.4.2; 20.12.6.1; 20.12.6.1_LI_Images; 20.12.5.3; 20.12.5.3_LI_Images; 20.9.8.2_LI_Images; 20.9.8.2; 20.18.3; 20.18.3_LI_Images; 20.15.5; 20.15.5_LI_Images; 20.12.7; 20.12.7_LI_Images; 20.9.9; 20.9.9_LI_Images; 20.18.2.2; 20.18.2.2_LI_Images; 20.12.5.4; 20.12.5.4_LI_ Images; 20.12.7.1_LI_Images; 20.12.6.2_LI_Images; 20.12.7.1; 20.15.5.1; 20.15.4.3; 20.15.4.3_LI_Images; 20.15.5.1_LI_Images; 20.12.6.2; 20.15.5.2; 20.15.5.2_LI_Images; 26.1.1.1_LI_Images; 20.15.4.4; 20.15.4.4_LI_Images; 26.1.1.1; 20.9.9.1_LI_Images; 20.9.9.1; 20.18.3.1_LI_Images; 20.18.3.1; 26.1.1.2; 26.1.1.2_LI_Images; 20.15.4.5; 20.15.4.5_LI_Images; 20.15.5.3; 20.15.5.3_LI_Images; 20.12.7.2_LI_Images; 20.12.7.2; 20.9.9.2; 20.9.9.2_LI_Images; 20.15.6; 20.15.6_LI_Images; 20.18.4; 20.12.8; 20.12.8_LI_Images | — | No fix listed | CNA |
- Cisco Catalyst SD-WAN Controller VendorCisco Affected 20.6.4; 20.9.2; 20.3.6; 20.7.2; 20.7.1; 20.5.1; 20.6.2; 19.3.0; 20.6.1; 17.2.4; 18.2.0; 18.4.6; 19.1.0; 19.2.4; 19.2.929; 18.3.8; 18.4.303; 18.3.7; 18.4.1; 19.2.097; 19.2.0; 19.2.099; 18.3.6; 20.4.2; 19.0.0; 20.9.1; 20.3.5; 20.3.1; 18.3.5; 20.6.3; 18.4.3; 18.4.4; 18.3.3; 17.2.8; 20.8.1; 19.2.32; 19.2.2; 17.2.5; 18.4.0; 20.4.1.1; 20.1.3; 20.1.2; 17.2.10; 19.2.098; 20.1.1; 17.2.6; 19.2.1; 18.3.4; 20.4.1; 17.2.9; 19.2.31; 19.0.1a; 18.3.0; 17.2.7; 18.4.5; 20.3.4; 20.3.3; 20.4.1.2; 20.3.2; 18.3.1; 20.1.12; 19.2.3; 20.10.1; 20.6.5; 20.3.7; 20.9.3; 20.11.1; 20.6.3.2; 20.4.2.3; 20.3.5.1; 20.3.4.3; 20.9.3.1; 20.6.4.1; 20.3.3.2; 20.6.5.2; 20.3.7.1; 20.11.1.1; 20.10.1.1; 20.6.1.2; 20.1.3.1; 20.9.2.2; 20.6.5.3; 20.6.3.3; 20.3.7.2; 20.6.5.4; 20.9.2.3; 20.9.4; 20.12.1; 20.3.8; 20.6.6; 20.12.2; 20.13.1; 20.9.5; 20.12.3; 20.6.7; 20.9.5.1; 20.14.1; 20.12.3.1; 20.12.4; 20.15.1; 20.9.6; 20.6.8; 20.16.1; 20.9.5.3; 20.12.4.1; 20.15.2; 20.12.5; 20.9.7; 20.15.3; 20.12.5.1; 20.12.5.2; 20.15.4; 20.9.7.1; 20.18.1; 20.12.6; 20.9.8; 20.15.4.1; 20.18.2; 26.1.1; 20.15.4.2; 20.18.2.1; 20.12.5.3; 20.12.6.1; 20.9.8.2; 20.15.5; 20.18.3; 20.12.7; 20.9.9; 20.18.2.2; 20.12.5.4; 20.12.7.1; 20.15.5.1; 20.15.4.3; 20.12.6.2; 20.15.5.2; 20.15.4.4; 26.1.1.1; 20.9.9.1; 20.18.3.1; 26.1.1.2; 20.15.4.5; 20.15.5.3; 20.12.7.2; 20.9.9.2; 20.18.4; 20.15.6; 20.12.8 Fixed in — No fix listed CNA
- Cisco Catalyst SD-WAN Manager VendorCisco Affected 20.1.12; 19.2.1; 18.4.4; 18.4.5; 20.1.1.1; 20.1.1; 19.3.0; 19.2.2; 19.2.099; 18.3.6; 18.3.7; 19.2.0; 18.3.8; 19.0.0; 19.1.0; 18.4.302; 18.4.303; 19.2.097; 19.2.098; 17.2.10; 18.3.6.1; 19.0.1a; 18.2.0; 18.4.3; 18.4.1; 17.2.8; 18.3.3.1; 18.4.0; 18.3.1; 17.2.6; 17.2.9; 18.3.4; 17.2.5; 18.3.1.1; 18.3.5; 18.4.0.1; 18.3.3; 17.2.7; 17.2.4; 18.3.0; 19.2.3; 18.4.501_ES; 20.3.1; 20.1.2; 19.2.929; 19.2.31; 20.3.2; 19.2.32; 20.3.2_925; 20.3.2.1; 20.3.2.1_927; 18.4.6; 20.1.2_937; 20.4.1; 20.3.2_928; 20.3.2_929; 20.4.1.0.1; 20.3.2.1_930; 19.2.4; 20.5.0.1.1; 20.4.1.1; 20.3.3; 19.2.4.0.1; 20.3.2_937; 20.3.3.1; 20.5.1; 20.1.3; 20.3.3.0.4; 20.3.3.1.2; 20.3.3.1.1; 20.4.1.2; 20.3.3.0.2; 20.4.1.1.5; 20.4.1.0.01; 20.4.1.0.02; 20.3.3.1.7; 20.3.3.1.5; 20.5.1.0.1; 20.3.3.1.10; 20.3.3.0.8; 20.4.2; 20.4.2.0.1; 20.3.4; 20.3.3.0.14; 19.2.4.0.8; 19.2.4.0.9; 20.3.4.0.1; 20.3.2.0.5; 20.6.1; 20.5.1.0.2; 20.3.3.0.17; 20.6.1.1; 20.6.0.18.3; 20.3.2.0.6; 20.6.0.18.4; 20.4.2.0.2; 20.3.3.0.16; 20.3.4.0.5; 20.6.1.0.1; 20.3.4.0.6; 20.6.2; 20.7.1EFT2; 20.3.4.0.9; 20.3.4.0.11; 20.4.2.0.4; 20.3.3.0.18; 20.7.1; 20.6.2.1; 20.3.4.1; 20.5.1.1; 20.4.2.1; 20.4.2.1.1; 20.3.4.1.1; 20.3.813; 20.3.4.0.19; 20.4.2.2.1; 20.5.1.2; 20.3.4.2; 20.3.814; 20.4.2.2; 20.6.2.2; 20.3.4.2.1; 20.7.1.1; 20.3.4.1.2; 20.6.2.2.2; 20.3.4.0.20; 20.6.2.2.3; 20.4.2.2.2; 20.3.5; 20.6.2.0.4; 20.4.2.2.3; 20.3.4.0.24; 20.6.2.2.7; 20.6.3; 20.3.4.2.2; 20.4.2.2.4; 20.7.1.0.2; 20.8.1; 20.3.5.0.8; 20.3.5.0.9; 20.4.2.2.8; 20.3.5.0.7; 20.6.3.0.7; 20.6.3.0.5; 20.6.3.0.10; 20.6.3.0.2; 20.7.2; 20.9.1EFT2; 20.6.3.0.11; 20.6.3.1; 20.6.3.0.14; 20.6.4; 20.9.1; 20.6.3.0.19; 20.6.3.0.18; 20.3.6; 20.9.1.1; 20.6.3.0.23; 20.6.4.0.4; 20.6.3.0.25; 20.6.5; 20.6.3.0.27; 20.9.2; 20.9.2.1; 20.6.3.0.29; 20.6.3.0.31; 20.6.3.0.32; 20.10.1; 20.6.3.0.33; 20.9.2.0.01; 20.9.1_LI_Images; 20.10.1_LI_Images; 20.9.2_LI_Images; 20.3.7; 20.9.3; 20.6.5.1; 20.11.1; 20.11.1_LI_Images; 20.9.3_LI_ Images; 20.6.3.1.1; 20.9.3.0.2; 20.6.5.1.2; 20.9.3.0.3; 20.4.2.3; 20.6.3.2; 20.6.4.1; 20.6.3.0.38; 20.6.3.0.39; 20.3.5.1; 20.3.4.3; 20.9.3.1; 20.3.3.2; 20.6.5.2; 20.3.7.1; 20.10.1.1; 20.6.5.2.1; 20.3.4.0.25; 20.6.2.2.4; 20.6.1.2; 20.11.1.1; 20.9.3.0.5; 20.3.4.0.26; 20.6.5.1.3; 20.6.3.0.40; 20.1.3.1; 20.9.2.2; 20.6.5.2.3; 20.6.5.1.4; 20.6.5.3; 20.6.3.0.41; 20.9.3.0.7; 20.6.5.1.5; 20.9.3.0.4; 20.6.4.0.19; 20.6.5.1.6; 20.9.3.0.8; 20.6.3.3; 20.3.7.2; 20.6.5.4; 20.6.5.1.7; 20.9.3.0.12; 20.6.4.2; 20.6.5.5; 20.9.3.2; 20.11.1.2; 20.6.3.4; 20.10.1.2; 20.6.5.1.9; 20.9.3.0.16; 20.6.3.0.45; 20.6.5.1.10; 20.9.3.0.17; 20.6.5.2.4; 20.6.4.0.21; 20.9.3.0.18; 20.6.3.0.46; 20.6.3.0.47; 20.9.2.3; 20.9.3.2_LI_Images; 20.9.3.0.21; 20.9.3.0.20; 20.9.4_LI_Images; 20.9.4; 20.6.5.1.11; 20.12.1; 20.12.1_LI_Images; 20.6.5.1.13; 20.9.3.0.23; 20.6.5.2.8; 20.9.4.1; 20.9.4.1_LI_Images; 20.9.3.0.25; 20.9.3.0.24; 20.6.5.1.14; 20.3.8; 20.6.6; 20.9.3.0.26; 20.6.3.0.51; 20.9.3.0.29; 20.12.2; 20.12.2_LI_Images; 20.6.6.0.1; 20.13.1_LI_Images; 20.9.4.0.4; 20.13.1; 20.9.4.1.1; 20.9.5; 20.9.5_LI_Images; 20.12.3_LI_Images; 20.12.3; 20.9.4.1.3; 20.6.7; 20.9.5.1; 20.9.5.1_LI_Images; 20.9.4.1.6; 20.14.1; 20.14.1_LI_Images; 20.9.5.2; 20.9.5.2.1; 20.9.5.2_LI_Images; 20.12.3.1; 20.12.4; 20.15.1_LI_Images; 20.15.1; 20.9.5.1.4; 20.9.5.2.7; 20.9.5.2.13; 20.9.6; 20.9.6_LI_Images; 20.9.5.2.14; 20.6.8; 20.12.4.0.03; 20.16.1; 20.16.1_LI_Images; 20.12.4_LI_Images; 20.9.5.2.16; 20.12.4.0.4; 20.12.401; 20.9.5.3; 20.9.5.3_LI_Images; 20.12.4.1_LI_Images; 20.12.4.1; 20.9.5.2.21; 20.9.6.0.3; 20.12.4.0.6; 20.15.2_LI_Images; 20.15.2; 20.12.4_Monthly_ES5; 20.12.5; 20.12.5_LI_Images; 20.9.7_LI _Images; 20.9.7; 20.15.3; 20.15.3_ LI _Images; 20.12.501; 20.12.5.1_LI_Images; 20.12.5.1; 20.12.5.2_LI_Images; 20.12.5.2; 20.15.3.1; 20.15.4_LI_Images; 20.15.4; 20.9.7.1_LI _Images; 20.9.7.1; 20.18.1; 20.18.1_LI_Images; 20.12.6_LI_Images; 20.12.6; 20.12.5.1.01; 26.0.1; 20.9.8; 20.9.8_LI_Images; 20.18.2; 20.15.4.1_LI_Images; 20.15.4.1; 20.18.2_LI_Images; 26.1.1; 26.1.1_LI_Images; 20.18.2.1_LI_Images; 20.18.2.1; 20.15.4.2_LI_Images; 20.15.4.2; 20.12.6.1; 20.12.6.1_LI_Images; 20.12.5.3; 20.12.5.3_LI_Images; 20.9.8.2_LI_Images; 20.9.8.2; 20.18.3; 20.18.3_LI_Images; 20.15.5; 20.15.5_LI_Images; 20.12.7; 20.12.7_LI_Images; 20.9.9; 20.9.9_LI_Images; 20.18.2.2; 20.18.2.2_LI_Images; 20.12.5.4; 20.12.5.4_LI_ Images; 20.12.7.1_LI_Images; 20.12.6.2_LI_Images; 20.12.7.1; 20.15.5.1; 20.15.4.3; 20.15.4.3_LI_Images; 20.15.5.1_LI_Images; 20.12.6.2; 20.15.5.2; 20.15.5.2_LI_Images; 26.1.1.1_LI_Images; 20.15.4.4; 20.15.4.4_LI_Images; 26.1.1.1; 20.9.9.1_LI_Images; 20.9.9.1; 20.18.3.1_LI_Images; 20.18.3.1; 26.1.1.2; 26.1.1.2_LI_Images; 20.15.4.5; 20.15.4.5_LI_Images; 20.15.5.3; 20.15.5.3_LI_Images; 20.12.7.2_LI_Images; 20.12.7.2; 20.9.9.2; 20.9.9.2_LI_Images; 20.15.6; 20.15.6_LI_Images; 20.18.4; 20.12.8; 20.12.8_LI_Images Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-20304
- 2026-10-03 Alias added: GHSA-pqwq-qr78-m9wc
References
More Cisco vulnerabilities
- TI-2026-74174 Arbitrary file write in Cisco Secure Email Gateway via AMP feature KEVCVSS 3.1CRITICAL 9.8
- TI-2026-53490 Cisco Catalyst SD-WAN Manager System Account Authorization Bypass Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2026-53489 Cisco Secure Email Gateway SQL Injection Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2026-53488 Cisco Identity Services Engine Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2026-16388 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2026-16344 Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0
Sources
- CVE-2026-20304 · CVE Program
- CVE-2026-20304 · NVD
- FIRST EPSS
- GHSA-pqwq-qr78-m9wc · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences