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TI-2020-02756 Aliases CVE-2020-3195GHSA-868c-7v9p-gmxp

Uncontrolled resource consumption in Cisco Adaptive Security Appliance Software

Priority MEDIUM 43CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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 Open Shortest Path First (OSPF) implementation in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a memory leak on an affected device. The vulnerability is due to incorrect processing of certain OSPF packets. An attacker could exploit this vulnerability by sending a series of crafted OSPF packets to be processed by an affected device. A successful exploit could allow the attacker to continuously consume memory on an affected device and eventually cause it to reload, resulting in a denial of service (DoS) condition.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01912 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
Yes
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 Adaptive Security Appliance (ASA) Softwareall versions—No fix listedCNA
  • Cisco Adaptive Security Appliance (ASA) Software VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 26

CPEVersionsRoleVendor
cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*6.4.0 to before 6.4.0.9; 6.5.0 to before 6.5.0.5VulnerableCisco
cpe:2.3:o:cisco:asa_5505_firmware:9.12\(2\):*:*:*:*:*:*:*9.12(2)VulnerableCisco
cpe:2.3:h:cisco:asa_5505:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:asa_5510_firmware:9.12\(2\):*:*:*:*:*:*:*9.12(2)VulnerableCisco
cpe:2.3:h:cisco:asa_5510:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:asa_5512-x_firmware:9.12\(2\):*:*:*:*:*:*:*9.12(2)VulnerableCisco
cpe:2.3:h:cisco:asa_5512-x:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:asa_5515-x_firmware:9.12\(2\):*:*:*:*:*:*:*9.12(2)VulnerableCisco
cpe:2.3:h:cisco:asa_5515-x:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:asa_5520_firmware:9.12\(2\):*:*:*:*:*:*:*9.12(2)VulnerableCisco
  • cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:* Versions 6.4.0 to before 6.4.0.9; 6.5.0 to before 6.5.0.5 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:asa_5505_firmware:9.12\(2\):*:*:*:*:*:*:* Versions 9.12(2) Vulnerable ·Cisco
  • cpe:2.3:h:cisco:asa_5505:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:asa_5510_firmware:9.12\(2\):*:*:*:*:*:*:* Versions 9.12(2) Vulnerable ·Cisco
  • cpe:2.3:h:cisco:asa_5510:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:asa_5512-x_firmware:9.12\(2\):*:*:*:*:*:*:* Versions 9.12(2) Vulnerable ·Cisco
  • cpe:2.3:h:cisco:asa_5512-x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:asa_5515-x_firmware:9.12\(2\):*:*:*:*:*:*:* Versions 9.12(2) Vulnerable ·Cisco
  • cpe:2.3:h:cisco:asa_5515-x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:asa_5520_firmware:9.12\(2\):*:*:*:*:*:*:* Versions 9.12(2) Vulnerable ·Cisco
Show 16 more CPE
CPEVersionsRoleVendor
cpe:2.3:h:cisco:asa_5520:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:asa_5525-x_firmware:9.12\(2\):*:*:*:*:*:*:*9.12(2)VulnerableCisco
cpe:2.3:h:cisco:asa_5525-x:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:asa_5540_firmware:9.12\(2\):*:*:*:*:*:*:*9.12(2)VulnerableCisco
cpe:2.3:h:cisco:asa_5540:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:asa_5545-x_firmware:9.12\(2\):*:*:*:*:*:*:*9.12(2)VulnerableCisco
cpe:2.3:h:cisco:asa_5545-x:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:asa_5550_firmware:9.12\(2\):*:*:*:*:*:*:*9.12(2)VulnerableCisco
cpe:2.3:h:cisco:asa_5550:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:asa_5555-x_firmware:9.12\(2\):*:*:*:*:*:*:*9.12(2)VulnerableCisco
cpe:2.3:h:cisco:asa_5555-x:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:asa_5580_firmware:9.12\(2\):*:*:*:*:*:*:*9.12(2)VulnerableCisco
cpe:2.3:h:cisco:asa_5580:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:asa_5585-x_firmware:9.12\(2\):*:*:*:*:*:*:*9.12(2)VulnerableCisco
cpe:2.3:h:cisco:asa_5585-x:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*9.12 to before 9.12.3.2; 9.13 to before 9.13.1.7VulnerableCisco
  • cpe:2.3:h:cisco:asa_5520:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:asa_5525-x_firmware:9.12\(2\):*:*:*:*:*:*:* Versions 9.12(2) Vulnerable ·Cisco
  • cpe:2.3:h:cisco:asa_5525-x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:asa_5540_firmware:9.12\(2\):*:*:*:*:*:*:* Versions 9.12(2) Vulnerable ·Cisco
  • cpe:2.3:h:cisco:asa_5540:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:asa_5545-x_firmware:9.12\(2\):*:*:*:*:*:*:* Versions 9.12(2) Vulnerable ·Cisco
  • cpe:2.3:h:cisco:asa_5545-x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:asa_5550_firmware:9.12\(2\):*:*:*:*:*:*:* Versions 9.12(2) Vulnerable ·Cisco
  • cpe:2.3:h:cisco:asa_5550:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:asa_5555-x_firmware:9.12\(2\):*:*:*:*:*:*:* Versions 9.12(2) Vulnerable ·Cisco
  • cpe:2.3:h:cisco:asa_5555-x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:asa_5580_firmware:9.12\(2\):*:*:*:*:*:*:* Versions 9.12(2) Vulnerable ·Cisco
  • cpe:2.3:h:cisco:asa_5580:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:asa_5585-x_firmware:9.12\(2\):*:*:*:*:*:*:* Versions 9.12(2) Vulnerable ·Cisco
  • cpe:2.3:h:cisco:asa_5585-x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* Versions 9.12 to before 9.12.3.2; 9.13 to before 9.13.1.7 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-3195
  2. 2026-10-03 Alias added: GHSA-868c-7v9p-gmxp

References

  • TI-2025-14628 Buffer overflow in Cisco Secure Firewall Adaptive Security Appliance Software KEVCVSS 3.1CRITICAL 9.9
  • TI-2016-05454 Buffer overflow in Cisco Adaptive Security Appliance (ASA) Software through 9.4.2.3 on… KEVCVSS 3.1HIGH 8.8
  • TI-2023-06973 Authentication bypass in Cisco Adaptive Security Appliance Software KEVCVSS 3.1CRITICAL 9.1
  • TI-2026-82192 Denial of service in Cisco Secure Firewall ASA and FTD SSL VPN KEVCVSS 3.1HIGH 8.6
  • TI-2026-16533 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense… KEVCVSS 3.1HIGH 8.6
  • TI-2025-14657 Missing authorization in Cisco Secure Firewall Adaptive Security Appliance Software KEVCVSS 3.1HIGH 8.6
See all 354 →

Sources