CVE-2026-20182

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2026-20182

Confirmed

Yes

2026-05-14 00:00 UTC

Timestamps

2026-05-14

2026-05-14

Scope

KEV entry: Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability | Affected: Cisco / Catalyst SD-WAN | Description: Cisco Catalyst SD-WAN Controller & Manager contain an authentication bypass vulnerability that allows an unauthenticated, remote attacker to bypass authentication and obtain administrative privileges on an affected system. | Required action: Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlined in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available. | Due date: 2026-05-17 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): 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-rpa2-v69WY2SW ; https://nvd.nist.gov/vuln/detail/CVE-2026-20182

References
  • {'id': 'CVE-2026-20182', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-20182'}

47069e0f-be5a-4814-bbbb-3635b8c025c5

405284c2-e461-4670-8979-7fd2c9755a60

2026-05-14 18:00 UTC

2026-05-14 18:00 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-287"
  ],
  "date_added": "2026-05-14",
  "due_date": "2026-05-17",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Catalyst SD-WAN",
  "vendorProject": "Cisco",
  "vulnerabilityName": "Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability"
}
 -
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