01 Record
CVE-2026-20128
Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability
HighKEVPUBLISHEDCNA: cisco
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
02 Description
Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2026-04-20. Federal remediation due 2026-04-23.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 7.31% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 94.3% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- 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
- 2026-02-25 16:14Z8 MO AGO
- Last updated
- 2026-04-21 03:55Z6 MO AGO
- Reserved
- 2025-10-08
- Assigning CNA
- cisco
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-257Storing Passwords in a Recoverable FormatBase
- Data version
- 5.2
- Document digest
- b10b71c755d741dce11f2316acd6475f7d10c51a8269ac8b3a2bc5ee1ac8b492
05 Affected products
VendorProductVersionsPlatforms
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—
06 References
- sec.cloudapps.cisco.comcisco-sa-sdwan-authbp-qwCX8D4vhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20128