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TI-2026-16346 Aliases CVE-2026-20133GHSA-cf88-f64q-c626

Information disclosure in Cisco Catalyst SD-WAN Manager

Priority CRITICAL 90Exploited in the wildCWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.

Why it matters now

Exploitation Active In CISA KEV since 2026-04-20CISA due date 2026-04-23
EPSS 0.3529 98th 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
Partial

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 Manager17.2.6; 17.2.7; 17.2.8; 17.2.9; 17.2.10; 17.2.4; 17.2.5; 18.3.1.1; 18.3.3.1; 18.3.3; 18.3.4; 18.3.5; 18.3.7; 18.3.8; 18.3.6.1; 18.3.1; 18.3.0; 18.4.0.1; 18.4.3; 18.4.302; 18.4.303; 18.4.4; 18.4.5; 18.4.0; 18.4.1; 18.4.6; 19.2.0; 19.2.097; 19.2.099; 19.2.1; 19.2.2; 19.2.3; 19.2.31; 19.2.929; 19.2.4; 20.1.1.1; 20.1.12; 20.1.1; 20.1.2; 20.1.3; 19.3.0; 19.1.0; 18.2.0; 20.3.1; 20.3.2; 20.3.2.1; 20.3.3; 20.3.3.1; 20.3.4; 20.3.4.1; 20.3.4.2; 20.3.5; 20.3.6; 20.3.7; 20.3.7.1; 20.3.4.3; 20.3.5.1; 20.3.7.2; 20.3.8; 20.4.1; 20.4.1.1; 20.4.1.2; 20.4.2; 20.4.2.2; 20.4.2.1; 20.4.2.3; 20.5.1; 20.5.1.2; 20.5.1.1; 20.6.1; 20.6.1.1; 20.6.2.1; 20.6.2.2; 20.6.2; 20.6.3; 20.6.3.1; 20.6.4; 20.6.5; 20.6.5.1; 20.6.5.3; 20.6.1.2; 20.6.3.2; 20.6.4.1; 20.6.5.2; 20.6.5.4; 20.6.3.3; 20.6.4.2; 20.6.3.0.45; 20.6.3.0.46; 20.6.3.0.47; 20.6.3.4; 20.6.4.0.21; 20.6.5.1.10; 20.6.5.1.11; 20.6.5.1.7; 20.6.5.1.9; 20.6.5.2.4; 20.6.5.5; 20.6.5.2.8; 20.6.5.1.13; 20.6.6; 20.6.7; 20.6.8; 20.7.1; 20.7.1.1; 20.7.2; 20.8.1; 20.9.1; 20.9.2; 20.9.2.1; 20.9.3; 20.9.3.1; 20.9.2.3; 20.9.3.0.12; 20.9.3.0.16; 20.9.3.0.17; 20.9.3.0.18; 20.9.3.0.20; 20.9.3.0.21; 20.9.3.2; 20.9.3.2_LI_Images; 20.9.4; 20.9.4_LI_Images; 20.9.3.0.23; 20.9.4.1; 20.9.5; 20.9.5.1; 20.9.5.2; 20.9.6; 20.9.5.3; 20.9.7; 20.9.7.1; 20.9.8; 20.10.1; 20.10.1.1; 20.10.1.2; 20.11.1; 20.11.1.1; 20.11.1.2; 20.12.1; 20.12.1_LI_Images; 20.12.2; 20.12.3; 20.12.3.1; 20.12.4; 20.12.4.1; 20.12.5; 20.12.5.1; 20.12.5.2; 20.12.6; 20.13.1; 20.14.1; 20.15.1; 20.15.2; 20.15.3; 20.15.3.1; 20.15.4; 20.15.4.1; 20.16.1; 20.18.1; 20.18.2—No fix listedCNA
  • Cisco Catalyst SD-WAN Manager VendorCisco Affected 17.2.6; 17.2.7; 17.2.8; 17.2.9; 17.2.10; 17.2.4; 17.2.5; 18.3.1.1; 18.3.3.1; 18.3.3; 18.3.4; 18.3.5; 18.3.7; 18.3.8; 18.3.6.1; 18.3.1; 18.3.0; 18.4.0.1; 18.4.3; 18.4.302; 18.4.303; 18.4.4; 18.4.5; 18.4.0; 18.4.1; 18.4.6; 19.2.0; 19.2.097; 19.2.099; 19.2.1; 19.2.2; 19.2.3; 19.2.31; 19.2.929; 19.2.4; 20.1.1.1; 20.1.12; 20.1.1; 20.1.2; 20.1.3; 19.3.0; 19.1.0; 18.2.0; 20.3.1; 20.3.2; 20.3.2.1; 20.3.3; 20.3.3.1; 20.3.4; 20.3.4.1; 20.3.4.2; 20.3.5; 20.3.6; 20.3.7; 20.3.7.1; 20.3.4.3; 20.3.5.1; 20.3.7.2; 20.3.8; 20.4.1; 20.4.1.1; 20.4.1.2; 20.4.2; 20.4.2.2; 20.4.2.1; 20.4.2.3; 20.5.1; 20.5.1.2; 20.5.1.1; 20.6.1; 20.6.1.1; 20.6.2.1; 20.6.2.2; 20.6.2; 20.6.3; 20.6.3.1; 20.6.4; 20.6.5; 20.6.5.1; 20.6.5.3; 20.6.1.2; 20.6.3.2; 20.6.4.1; 20.6.5.2; 20.6.5.4; 20.6.3.3; 20.6.4.2; 20.6.3.0.45; 20.6.3.0.46; 20.6.3.0.47; 20.6.3.4; 20.6.4.0.21; 20.6.5.1.10; 20.6.5.1.11; 20.6.5.1.7; 20.6.5.1.9; 20.6.5.2.4; 20.6.5.5; 20.6.5.2.8; 20.6.5.1.13; 20.6.6; 20.6.7; 20.6.8; 20.7.1; 20.7.1.1; 20.7.2; 20.8.1; 20.9.1; 20.9.2; 20.9.2.1; 20.9.3; 20.9.3.1; 20.9.2.3; 20.9.3.0.12; 20.9.3.0.16; 20.9.3.0.17; 20.9.3.0.18; 20.9.3.0.20; 20.9.3.0.21; 20.9.3.2; 20.9.3.2_LI_Images; 20.9.4; 20.9.4_LI_Images; 20.9.3.0.23; 20.9.4.1; 20.9.5; 20.9.5.1; 20.9.5.2; 20.9.6; 20.9.5.3; 20.9.7; 20.9.7.1; 20.9.8; 20.10.1; 20.10.1.1; 20.10.1.2; 20.11.1; 20.11.1.1; 20.11.1.2; 20.12.1; 20.12.1_LI_Images; 20.12.2; 20.12.3; 20.12.3.1; 20.12.4; 20.12.4.1; 20.12.5; 20.12.5.1; 20.12.5.2; 20.12.6; 20.13.1; 20.14.1; 20.15.1; 20.15.2; 20.15.3; 20.15.3.1; 20.15.4; 20.15.4.1; 20.16.1; 20.18.1; 20.18.2 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 20.18.2.1VulnerableCisco
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 20.18.2.1 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-2026-20133
  3. 2026-10-03 Alias added: GHSA-cf88-f64q-c626

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-2026-16341 Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability 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