KEV Entry

CVE-2026-20316

Known Exploited Vulnerability Entry CISA

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Entry Details
Confirmed Exploited

CVE-2026-20316

2026-07-29 00:00 UTC

Timestamps

2026-07-29

2026-07-29

Scope

Cisco Secure Firewall Management Center Use of Hard-coded Password Vulnerability | Affected: Cisco / Secure Firewall Management Center (FMC) | Description: Cisco Secure Firewall Management Center (FMC) formerly known as Firepower Management Center contains a use of hard-coded password vulnerability that could allow an unauthenticated, remote attacker to log in to an affected device using a low-privileged account to access sensitive data within the impacted systems. | Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. | Due date: 2026-08-01 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-static-cred-BET3Cjh ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-20316

References
  • {'id': 'CVE-2026-20316', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-20316'}

8dc30cfa-6d78-4c95-8f53-cf5195768d7e

CISA
405284c2-e461-4670-8979-7fd2c9755a60

2026-07-29 20:00 UTC

2026-07-29 20:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-259"
  ],
  "date_added": "2026-07-29",
  "due_date": "2026-08-01",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Secure Firewall Management Center (FMC)",
  "vendorProject": "Cisco",
  "vulnerabilityName": "Cisco Secure Firewall Management Center Use of Hard-coded Password Vulnerability"
}
 -
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