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CVE-2026-20122

A vulnerability in the API of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to overwrite arbitrary files on the local file system. To exploit this vulnerability, the attacker must have valid read-only credentials with API access on the affected system. This vulnerability is due to improper file handling on the API interface of an affected system. An attacker could exploit this vulnerability by uploading a malicious file on the local file system. A successful expl
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c377864652082312e8418b80aa551d3a7f7dcbad8f23129858abf3dec875138e
Known exploited
CISA KEV
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unknown","product":"Cisco Catalyst SD-WAN Manager","vendor":"Cisco","versions":[{"status":"affected","version":"20.1.12"},{"status":"affected","version":"19.2.1"},{"status":"affected","version":"18.4.4"},{"status":"affected","version":"18.4.5"},{"status":"affected","version":"20.1.1.1"},{"status":"affected","version":"20.1.1"},{"status":"affected","version":"19.3.0"},{"status":"affected","version":"19.2.2"},{"status":"affected","version":"19.2.099"},{"status":"affected","version":"18.3.6"},{"status":"affected","version":"18.3.7"},{"status":"affected","version":"19.2.0"},{"sta…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1eb5f10397e6007c748edac28a046d552e36097757fff7f121c2eacbf8338ee7 · sha256:614a9b37789cafb9… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:1eb5f10397e6007c748edac28a046d552e36097757fff7f121c2eacbf8338ee7 · sha256:614a9b37789cafb9… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-648","description":"Incorrect Use of Privileged APIs","lang":"en","type":"cwe"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:1eb5f10397e6007c748edac28a046d552e36097757fff7f121c2eacbf8338ee7 · sha256:614a9b37789cafb9… · /containers/cna/problemTypes/0/descriptions/0

Known exploitation assertions

2 source assertions
{"cwes":["CWE-648"],"dateAdded":"2026-04-20","dueDate":"2026-04-23","knownRansomwareCampaignUse":"Unknown","notes":"CISA Mitigation Instructions: https://www.cisa.gov/news-events/directives/ed-26-03-mitigate-vulnerabilities-cisco-sd-wan-systems ; https://www.cisa.gov/news-events/directives/supplemental-direction-ed-26-03-hunt-and-hardening-guidance-cisco-sd-wan-systems ; https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v ; https://nvd.nist.gov/vuln/detail/CVE-2026-20122","product":"Catalyst SD-WAN Manger","requiredAction":"Please adhere…
  • cisa_kev_jsonknown_exploited
    urn:baitaphish:normalized-source-record:v2:3c8e5daf49e0d58463b7511f96ab087205bdbd5f245e78564152e9ab9a791b38 · sha256:16acee8334e59e44… · /vulnerabilities/80
    Open source location →
{"cwes":["CWE-648"],"dateAdded":"2026-04-20","dueDate":"2026-04-23","knownRansomwareCampaignUse":"Unknown","notes":"CISA Mitigation Instructions: https://www.cisa.gov/news-events/directives/ed-26-03-mitigate-vulnerabilities-cisco-sd-wan-systems ; https://www.cisa.gov/news-events/directives/supplemental-direction-ed-26-03-hunt-and-hardening-guidance-cisco-sd-wan-systems ; https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v ; https://nvd.nist.gov/vuln/detail/CVE-2026-20122","product":"Catalyst SD-WAN Manger","requiredAction":"Please adhere…
  • cisa_kev_jsonknown_exploited
    urn:baitaphish:normalized-source-record:v2:b78561f5841aa09c6f66dc0543ec0d639ab80644cbc456007f562f46d2a85058 · sha256:635dff916c4092c0… · /vulnerabilities/83
    Open source location →

Source references

2 source assertions
{"name":"cisco-sa-sdwan-authbp-qwCX8D4v","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1eb5f10397e6007c748edac28a046d552e36097757fff7f121c2eacbf8338ee7 · sha256:614a9b37789cafb9… · /containers/cna/references/0
{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20122"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1eb5f10397e6007c748edac28a046d552e36097757fff7f121c2eacbf8338ee7 · sha256:614a9b37789cafb9… · /containers/adp/0/references/0

Attribution and limitations

  • CISA Known Exploited Vulnerabilities JSON: CISA named for provenance; do not use CISA/DHS marks or imply endorsement Source →
  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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