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01 Record

CVE-2026-20152

Cisco Secure Web Appliance Authentication Service Traffic Bypass Vulnerability

MediumPUBLISHEDCNA: cisco
CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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02 Description

Cisco Secure Web Appliance Authentication Service Traffic Bypass Vulnerability

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.29% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 22.4% of scored records. A rank, not a probability.
NVD base score
5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD analysis status
Awaiting Analysis. NVD last modified this record on 2026-10-26.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-04-15 16:03Z6 MO AGO
Last updated
2026-04-16 19:05Z6 MO AGO
Reserved
2025-10-08
Assigning CNA
cisco
Record state
PUBLISHED
Severity
Medium (CVSS 5.3)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weaknesses
  • CWE-305Authentication Bypass by Primary WeaknessBase
Data version
5.2
Document digest
b5f723271fac0283fa1cf7511a4c4dc4902ebdabefa13f3e467ee59b40da9127

05 Affected products

VendorProductVersionsPlatforms
CiscoCisco Secure Web Appliance11.8.0-453, 12.5.3-002, 12.0.3-007, 12.0.3-005, 14.1.0-032, 14.1.0-047, 14.1.0-041, 12.0.4-002, 14.0.2-012, 11.8.0-414, 12.0.1-268, 11.8.1-023, 11.8.3-021, 11.8.3-018, 12.5.1-011, 11.8.4-004, 12.5.2-007, 12.5.2-011, 14.5.0-498, 12.5.4-005, 12.5.4-011, 12.0.5-011, 14.0.3-014, 12.5.5-004, 12.5.5-005, 12.5.5-008, 14.0.4-005, 14.5.1-008, 14.5.1-016, 15.0.0-355, 15.0.0-322, 12.5.6-008, 15.1.0-287, 14.5.2-011, 15.2.0-116, 14.0.5-007, 15.2.0-164, 14.5.1-510, 12.0.2-012, 12.0.2-004, 14.5.1-607, 14.5.3-033, 15.0.1-004, 15.2.1-011, 14.5.0-673, 14.5.0-537, 12.0.1-334, 14.0.1-503, 14.0.1-053, 11.8.0-429, 14.0.1-040, 14.0.1-014, 12.5.1-043, 15.2.2-009, 15.2.3-007, 15.2.4-022, 15.2.5-011, 15.2.5-013, 14.6.0-108—

06 References