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CVE-2026-20128

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
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:85ebad1716c5e7cc3cce16f6d57d2d47dab603e656022f5839428dc20588f2c4
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:v2:88b98e5940b870232c7deb5313584ad734e9657af8ed2cbac6e2cef4c876a96b · sha256:b10b71c755d741dc… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:88b98e5940b870232c7deb5313584ad734e9657af8ed2cbac6e2cef4c876a96b · sha256:b10b71c755d741dc… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-257","description":"Storing Passwords in a Recoverable Format","lang":"en","type":"cwe"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:88b98e5940b870232c7deb5313584ad734e9657af8ed2cbac6e2cef4c876a96b · sha256:b10b71c755d741dc… · /containers/cna/problemTypes/0/descriptions/0

Known exploitation assertions

2 source assertions
{"cwes":["CWE-257"],"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-2026-20128","product":"Catalyst SD-WAN Manager","requiredAction":"Please adher…
  • cisa_kev_jsonknown_exploited
    urn:baitaphish:normalized-source-record:v2:ac02d00ccdd4054cbba890c4afbd26191397fb2ba0bf7323af992d4463463a86 · sha256:16acee8334e59e44… · /vulnerabilities/85
    Open source location →
{"cwes":["CWE-257"],"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-2026-20128","product":"Catalyst SD-WAN Manager","requiredAction":"Please adher…
  • cisa_kev_jsonknown_exploited
    urn:baitaphish:normalized-source-record:v2:757163e70ab41d8a84df313d14a8fa0707165a071b7e086a49d65739cda0274a · sha256:635dff916c4092c0… · /vulnerabilities/88
    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:v2:88b98e5940b870232c7deb5313584ad734e9657af8ed2cbac6e2cef4c876a96b · sha256:b10b71c755d741dc… · /containers/cna/references/0
{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20128"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:88b98e5940b870232c7deb5313584ad734e9657af8ed2cbac6e2cef4c876a96b · sha256:b10b71c755d741dc… · /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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