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VULNERABILITY BRIEF🟠 High Vulnerability

Hard‑coded Password in Cisco Secure Firewall Management Center (CVE‑2026‑20316) Added to CISA KEV Catalog

CISA has added CVE‑2026‑20316, a hard‑coded admin password in Cisco Secure Firewall Management Center, to its Known Exploited Vulnerabilities catalog. The flaw gives attackers total control of the appliance, prompting urgent remediation for SOC 2‑compliant organizations.

LiveThreat™ Intelligence · 📅 July 30, 2026· 📰 cisa.gov
🟠
Severity
High
VU
Type
Vulnerability
🎯
Confidence
High
🏢
Affected
2 sector(s)
Actions
4 recommended
📰
Source
cisa.gov

Hard‑coded Password in Cisco Secure Firewall Management Center (CVE‑2026‑20316) Added to CISA KEV Catalog

What It Is – A hard‑coded administrative password in Cisco Secure Firewall Management Center (formerly Firepower Management Center) allows anyone who discovers the credential to obtain full control of the management appliance.

Exploitability – CISA confirms active exploitation in the wild; the vulnerability is listed in the Known Exploited Vulnerabilities (KEV) catalog. No public proof‑of‑concept is required – the flaw is trivially exploitable once the default credential is known.

Affected Products – Cisco Secure Firewall Management Center (all versions prior to the vendor‑issued patch released 2026‑08‑01).

Why It Matters for Compliance & Audit Readiness

  • Control Mapping: The flaw maps directly to SOC 2 CC6.1 (Change Management) and CC7.1 (System Operations) – a missing or ineffective control is a clear audit finding.
  • Continuous Evidence: Demonstrating timely remediation (patch applied, hard‑coded credentials removed) provides concrete evidence for auditors and for the Verisq Trust Center.
  • Risk‑Based Prioritization: BOD 26‑04 requires rapid remediation of KEV items; failure to do so can be cited as a governance lapse in a SOC 2 audit.

Recommended Actions

  • Verify inventory of all Cisco Secure Firewall Management Center instances and confirm they are not exposed to the internet.
  • Apply Cisco’s security patch (or upgrade to the latest supported version) within the next 48 hours.
  • Update your change‑management and configuration‑hardening controls to require removal of default credentials and periodic credential rotation.
  • Capture remediation tickets, patch‑deployment logs, and configuration snapshots as audit evidence.
  • Incorporate the KEV item into your vulnerability‑management risk register and map it to the relevant SOC 2 controls for continuous monitoring.

Source: CISA Advisory – KEV Catalog Update, 2026‑07‑29

📰 Original Source
https://www.cisa.gov/news-events/alerts/2026/07/29/cisa-adds-one-known-exploited-vulnerability-catalog

This LiveThreat Intelligence Brief is an independent analysis. Read the original reporting at the link above.

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