Read the docs
TI-2019-09495 Aliases CVE-2019-12700GHSA-5gfq-ghv5-4j5q

Cisco FTD, FMC, and FXOS Software Pluggable Authentication Module Denial of Service Vulnerability

Priority LOW 33CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.

Summary

A vulnerability in the configuration of the Pluggable Authentication Module (PAM) used in Cisco Firepower Threat Defense (FTD) Software, Cisco Firepower Management Center (FMC) Software, and Cisco FXOS Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper resource management in the context of user session management. An attacker could exploit this vulnerability by connecting to an affected system and performing many simultaneous successful Secure Shell (SSH) logins. A successful exploit could allow the attacker to exhaust system resources and cause the device to reload, resulting in a DoS condition. To exploit this vulnerability, the attacker needs valid user credentials on the system.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01879 79th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco Firepower Management Centerall versions—No fix listedCNA
  • Cisco Firepower Management Center VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:o:cisco:firepower_9300_firmware:r114:*:*:*:*:*:*:*r114VulnerableCisco
cpe:2.3:o:cisco:firepower_9300_firmware:r241:*:*:*:*:*:*:*r241VulnerableCisco
cpe:2.3:h:cisco:firepower_9300:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:firepower_extensible_operating_system:*:*:*:*:*:*:*:*up to 2.2; 2.3 to before 2.3.1.155; 2.4 to before 2.6.1.131VulnerableCisco
cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*up to 6.1.0; 6.2.0 to before 6.2.3.14VulnerableCisco
cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*up to 6.1.0; 6.2.0 to before 6.2.3.14VulnerableCisco
cpe:2.3:h:cisco:firepower_1000:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:firepower_2100:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*6.2.3 to before 6.2.3.7VulnerableCisco
cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*6.2.0 to before 6.2.2.5; 6.2.3 to before 6.2.3.7VulnerableCisco
  • cpe:2.3:o:cisco:firepower_9300_firmware:r114:*:*:*:*:*:*:* Versions r114 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:firepower_9300_firmware:r241:*:*:*:*:*:*:* Versions r241 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:firepower_9300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:firepower_extensible_operating_system:*:*:*:*:*:*:*:* Versions up to 2.2; 2.3 to before 2.3.1.155; 2.4 to before 2.6.1.131 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:* Versions up to 6.1.0; 6.2.0 to before 6.2.3.14 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:* Versions up to 6.1.0; 6.2.0 to before 6.2.3.14 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:firepower_1000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:firepower_2100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:* Versions 6.2.3 to before 6.2.3.7 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:* Versions 6.2.0 to before 6.2.2.5; 6.2.3 to before 6.2.3.7 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Cisco Firepower Management Center n/a

    5 records Highest priority Priority MEDIUM 2 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2019-09485 Cisco Firepower Management Center Remote Code Execution VulnerabilityPriority MEDIUM 46
    • TI-2019-09486 Cisco Firepower Management Center Command Injection VulnerabilityPriority MEDIUM 40
    • TI-2019-09496 Cisco Firepower Management Center Software File and Malware Policy Bypass VulnerabilityPriority LOW 35
    Show all 5 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-12700
  2. 2026-10-03 Alias added: GHSA-5gfq-ghv5-4j5q

References

Advisory 1

  • TI-2019-09471 Cisco Firepower Threat Defense Software Multi-instance Container Escape Vulnerabilities CVSS 3.1HIGH 8.8
  • TI-2019-09470 Cisco Firepower Threat Defense Software Multi-instance Container Escape Vulnerabilities CVSS 3.1HIGH 8.2
  • TI-2019-09494 Cisco FXOS Software and Firepower Threat Defense Software Command Injection Vulnerabilities CVSS 3.1HIGH 7.8
  • TI-2023-06906 Infinite loop in Cisco Unified Computing System CVSS 3.1HIGH 7.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences