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TI-2026-16341 Aliases CVE-2026-20128GHSA-mp6j-7g85-8pg2

Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability

Priority CRITICAL 92Exploited in the wildCWE-257Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

A vulnerability in the Data Collection Agent (DCA) feature of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain DCA user privileges on an affected system. This vulnerability is due to the presence of a credential file for the DCA user on an affected system. An attacker could exploit this vulnerability by sending a crafted HTTP request and reading the file that contains the DCA password from that affected system. A successful exploit could allow the attacker to access another affected system and gain DCA user privileges. Note: Cisco Catalyst SD-WAN Manager releases 20.18 and later are not affected by this vulnerability.

Why it matters now

Exploitation Active In CISA KEV since 2026-04-20CISA due date 2026-04-23
EPSS 0.08349 94th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
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

VendorProductAffected versionsFixed inStatusSource
CiscoCisco Catalyst SD-WAN Manager20.1.12; 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; 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; 20.3.2.1; 20.3.2.1_927; 18.4.6; 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; 20.5.1; 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; 20.4.1.0.02; 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; 20.3.4; 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; 20.5.1.0.2; 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; 20.6.1.0.1; 20.3.4.0.6; 20.7.1EFT2; 20.3.4.0.9; 20.3.4.0.11; 20.3.3.0.18; 20.6.2.1; 20.3.4.1; 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; 20.3.814; 20.4.2.2; 20.6.2.2; 20.3.4.2.1; 20.3.4.1.2; 20.3.4.0.20; 20.6.2.2.3; 20.4.2.2.2; 20.6.2.0.4; 20.3.4.0.24; 20.6.2.2.7; 20.3.4.2.2; 20.4.2.2.4; 20.3.5.0.8; 20.3.5.0.9; 20.3.5.0.7; 20.6.3.0.2; 20.9.1EFT2; 20.3.6; 20.3.7; 20.4.2.3; 20.3.5.1; 20.3.4.3; 20.3.3.2; 20.3.7.1; 20.3.4.0.25; 20.6.2.2.4; 20.6.1.2; 20.1.3.1; 20.6.5.1.4; 20.3.8; 20.12.501; 26.1.1—No fix listedCNA
  • 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; 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; 20.3.2.1; 20.3.2.1_927; 18.4.6; 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; 20.5.1; 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; 20.4.1.0.02; 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; 20.3.4; 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; 20.5.1.0.2; 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; 20.6.1.0.1; 20.3.4.0.6; 20.7.1EFT2; 20.3.4.0.9; 20.3.4.0.11; 20.3.3.0.18; 20.6.2.1; 20.3.4.1; 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; 20.3.814; 20.4.2.2; 20.6.2.2; 20.3.4.2.1; 20.3.4.1.2; 20.3.4.0.20; 20.6.2.2.3; 20.4.2.2.2; 20.6.2.0.4; 20.3.4.0.24; 20.6.2.2.7; 20.3.4.2.2; 20.4.2.2.4; 20.3.5.0.8; 20.3.5.0.9; 20.3.5.0.7; 20.6.3.0.2; 20.9.1EFT2; 20.3.6; 20.3.7; 20.4.2.3; 20.3.5.1; 20.3.4.3; 20.3.3.2; 20.3.7.1; 20.3.4.0.25; 20.6.2.2.4; 20.6.1.2; 20.1.3.1; 20.6.5.1.4; 20.3.8; 20.12.501; 26.1.1 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*before 20.9.8.2; 20.10 to before 20.12.5.3; 20.13 to before 20.15.4.2; 20.16 to before 20.18VulnerableCisco
cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.12.6:*:*:*:*:*:*:*20.12.6VulnerableCisco
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:* Versions before 20.9.8.2; 20.10 to before 20.12.5.3; 20.13 to before 20.15.4.2; 20.16 to before 20.18 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.12.6:*:*:*:*:*:*:* Versions 20.12.6 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-04-20 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2026-20128
  3. 2026-10-03 Alias added: GHSA-mp6j-7g85-8pg2

References

Advisory 1

  • TI-2026-53490 Cisco Catalyst SD-WAN Manager System Account Authorization Bypass Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-16388 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-16340 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-16436 Cisco Catalyst SD-WAN Controller Authenticated Privilege Escalation Vulnerability KEVCVSS 3.1HIGH 7.8
  • TI-2022-05334 Cisco SD-WAN Software Privilege Escalation Vulnerability KEVCVSS 3.1HIGH 7.8
  • TI-2026-16346 Information disclosure in Cisco Catalyst SD-WAN Manager KEVCVSS 3.1HIGH 7.5
See all 91 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences