CVE-2026-20024

MEDIUM EPSS 8.5%
Published Mar 4, 20263mo ago · Modified May 4, 20261mo ago
5.7 CVSS 3.1
Medium
Find Similar
Published Mar 4, 2026 3mo ago
Last Modified May 4, 2026 1mo ago

Description

A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition. To exploit this vulnerability, the attacker must have the OSPF secret key. This vulnerability is due to heap corruption in OSPF when parsing packets. An attacker could exploit this vulnerability by sending crafted packets to the OSPF service. A successful exploit could allow the attacker to corrupt the heap, causing the affected device to reload, resulting in a DoS condition.

CVSS Details

Base Score
5.7
Exploitability
2.1
Impact
3.6
Vector string
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Adjacent
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
8.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety

Affected Products 209

VendorProductVersionRange
ciscoadaptive_security_appliance_software-9.12.1any
ciscoadaptive_security_appliance_software9.12.1.2any
ciscoadaptive_security_appliance_software9.12.1.3any
ciscoadaptive_security_appliance_software9.12.2any
ciscoadaptive_security_appliance_software9.12.2.1any
ciscoadaptive_security_appliance_software9.12.2.4any
ciscoadaptive_security_appliance_software9.12.2.5any
ciscoadaptive_security_appliance_software9.12.2.9any
ciscoadaptive_security_appliance_software9.12.3any
ciscoadaptive_security_appliance_software9.12.3.2any
ciscoadaptive_security_appliance_software9.12.3.7any
ciscoadaptive_security_appliance_software9.12.3.9any
ciscoadaptive_security_appliance_software9.12.3.12any
ciscoadaptive_security_appliance_software9.12.4any
ciscoadaptive_security_appliance_software9.12.4.2any
ciscoadaptive_security_appliance_software9.12.4.4any
ciscoadaptive_security_appliance_software9.12.4.7any
ciscoadaptive_security_appliance_software9.12.4.8any
ciscoadaptive_security_appliance_software9.12.4.10any
ciscoadaptive_security_appliance_software9.12.4.13any
ciscoadaptive_security_appliance_software9.12.4.18any
ciscoadaptive_security_appliance_software9.12.4.24any
ciscoadaptive_security_appliance_software9.12.4.26any
ciscoadaptive_security_appliance_software9.12.4.29any
ciscoadaptive_security_appliance_software9.12.4.30any
ciscoadaptive_security_appliance_software9.12.4.35any
ciscoadaptive_security_appliance_software9.12.4.37any
ciscoadaptive_security_appliance_software9.12.4.38any
ciscoadaptive_security_appliance_software9.12.4.39any
ciscoadaptive_security_appliance_software9.12.4.40any
ciscoadaptive_security_appliance_software9.12.4.41any
ciscoadaptive_security_appliance_software9.12.4.47any
ciscoadaptive_security_appliance_software9.12.4.48any
ciscoadaptive_security_appliance_software9.12.4.50any
ciscoadaptive_security_appliance_software9.12.4.52any
ciscoadaptive_security_appliance_software9.12.4.54any
ciscoadaptive_security_appliance_software9.12.4.55any
ciscoadaptive_security_appliance_software9.12.4.56any
ciscoadaptive_security_appliance_software9.12.4.58any
ciscoadaptive_security_appliance_software9.12.4.62any
ciscoadaptive_security_appliance_software9.12.4.65any
ciscoadaptive_security_appliance_software9.12.4.67any
ciscoadaptive_security_appliance_software9.16.1any
ciscoadaptive_security_appliance_software9.16.1.28any
ciscoadaptive_security_appliance_software9.16.2any
ciscoadaptive_security_appliance_software9.16.2.3any
ciscoadaptive_security_appliance_software9.16.2.7any
ciscoadaptive_security_appliance_software9.16.2.11any
ciscoadaptive_security_appliance_software9.16.2.13any
ciscoadaptive_security_appliance_software9.16.2.14any
ciscoadaptive_security_appliance_software9.16.3any
ciscoadaptive_security_appliance_software9.16.3.3any
ciscoadaptive_security_appliance_software9.16.3.14any
ciscoadaptive_security_appliance_software9.16.3.15any
ciscoadaptive_security_appliance_software9.16.3.19any
ciscoadaptive_security_appliance_software9.16.3.23any
ciscoadaptive_security_appliance_software9.16.4any
ciscoadaptive_security_appliance_software9.16.4.9any
ciscoadaptive_security_appliance_software9.16.4.14any
ciscoadaptive_security_appliance_software9.16.4.19any
ciscoadaptive_security_appliance_software9.16.4.27any
ciscoadaptive_security_appliance_software9.16.4.38any
ciscoadaptive_security_appliance_software9.16.4.39any
ciscoadaptive_security_appliance_software9.16.4.42any
ciscoadaptive_security_appliance_software9.16.4.48any
ciscoadaptive_security_appliance_software9.16.4.55any
ciscoadaptive_security_appliance_software9.16.4.57any
ciscoadaptive_security_appliance_software9.16.4.61any
ciscoadaptive_security_appliance_software9.16.4.62any
ciscoadaptive_security_appliance_software9.16.4.67any
ciscoadaptive_security_appliance_software9.16.4.70any
ciscoadaptive_security_appliance_software9.16.4.71any
ciscoadaptive_security_appliance_software9.16.4.76any
ciscoadaptive_security_appliance_software9.16.4.82any
ciscoadaptive_security_appliance_software9.17.1any
ciscoadaptive_security_appliance_software9.17.1.7any
ciscoadaptive_security_appliance_software9.17.1.9any
ciscoadaptive_security_appliance_software9.17.1.10any
ciscoadaptive_security_appliance_software9.17.1.11any
ciscoadaptive_security_appliance_software9.17.1.13any
ciscoadaptive_security_appliance_software9.17.1.15any
ciscoadaptive_security_appliance_software9.17.1.20any
ciscoadaptive_security_appliance_software9.17.1.30any
ciscoadaptive_security_appliance_software9.17.1.33any
ciscoadaptive_security_appliance_software9.17.1.39any
ciscoadaptive_security_appliance_software9.17.1.45any
ciscoadaptive_security_appliance_software9.17.1.46any
ciscoadaptive_security_appliance_software9.18.1any
ciscoadaptive_security_appliance_software9.18.1.3any
ciscoadaptive_security_appliance_software9.18.2any
ciscoadaptive_security_appliance_software9.18.2.5any
ciscoadaptive_security_appliance_software9.18.2.7any
ciscoadaptive_security_appliance_software9.18.2.8any
ciscoadaptive_security_appliance_software9.18.3any
ciscoadaptive_security_appliance_software9.18.3.39any
ciscoadaptive_security_appliance_software9.18.3.46any
ciscoadaptive_security_appliance_software9.18.3.53any
ciscoadaptive_security_appliance_software9.18.3.55any
ciscoadaptive_security_appliance_software9.18.3.56any
ciscoadaptive_security_appliance_software9.18.4any
ciscoadaptive_security_appliance_software9.18.4.5any
ciscoadaptive_security_appliance_software9.18.4.8any
ciscoadaptive_security_appliance_software9.18.4.22any
ciscoadaptive_security_appliance_software9.18.4.24any
ciscoadaptive_security_appliance_software9.18.4.29any
ciscoadaptive_security_appliance_software9.18.4.34any
ciscoadaptive_security_appliance_software9.18.4.40any
ciscoadaptive_security_appliance_software9.18.4.47any
ciscoadaptive_security_appliance_software9.18.4.50any
ciscoadaptive_security_appliance_software9.18.4.52any
ciscoadaptive_security_appliance_software9.18.4.53any
ciscoadaptive_security_appliance_software9.19.1any
ciscoadaptive_security_appliance_software9.19.1.5any
ciscoadaptive_security_appliance_software9.19.1.9any
ciscoadaptive_security_appliance_software9.19.1.12any
ciscoadaptive_security_appliance_software9.19.1.18any
ciscoadaptive_security_appliance_software9.19.1.22any
ciscoadaptive_security_appliance_software9.19.1.24any
ciscoadaptive_security_appliance_software9.19.1.27any
ciscoadaptive_security_appliance_software9.19.1.28any
ciscoadaptive_security_appliance_software9.19.1.31any
ciscoadaptive_security_appliance_software9.19.1.37any
ciscoadaptive_security_appliance_software9.19.1.38any
ciscoadaptive_security_appliance_software9.20.1any
ciscoadaptive_security_appliance_software9.20.1.5any
ciscoadaptive_security_appliance_software9.20.2any
ciscoadaptive_security_appliance_software9.20.2.10any
ciscoadaptive_security_appliance_software9.20.2.21any
ciscoadaptive_security_appliance_software9.20.2.22any
ciscoadaptive_security_appliance_software9.20.3any
ciscoadaptive_security_appliance_software9.20.3.4any
ciscoadaptive_security_appliance_software9.20.3.7any
ciscoadaptive_security_appliance_software9.20.3.9any
ciscoadaptive_security_appliance_software9.20.3.10any
ciscoadaptive_security_appliance_software9.20.3.13any
ciscoadaptive_security_appliance_software9.20.3.16any
ciscoadaptive_security_appliance_software9.22.1.1any
ciscoadaptive_security_appliance_software9.22.1.2any
ciscoadaptive_security_appliance_software9.22.1.3any
ciscoadaptive_security_appliance_software9.22.1.6any
ciscoadaptive_security_appliance_software9.23.1any
ciscofirepower_threat_defense_software6.4.0any
ciscofirepower_threat_defense_software6.4.0.1any
ciscofirepower_threat_defense_software6.4.0.2any
ciscofirepower_threat_defense_software6.4.0.3any
ciscofirepower_threat_defense_software6.4.0.4any
ciscofirepower_threat_defense_software6.4.0.5any
ciscofirepower_threat_defense_software6.4.0.6any
ciscofirepower_threat_defense_software6.4.0.7any
ciscofirepower_threat_defense_software6.4.0.8any
ciscofirepower_threat_defense_software6.4.0.9any
ciscofirepower_threat_defense_software6.4.0.10any
ciscofirepower_threat_defense_software6.4.0.11any
ciscofirepower_threat_defense_software6.4.0.12any
ciscofirepower_threat_defense_software6.4.0.13any
ciscofirepower_threat_defense_software6.4.0.14any
ciscofirepower_threat_defense_software6.4.0.15any
ciscofirepower_threat_defense_software6.4.0.16any
ciscofirepower_threat_defense_software6.4.0.17any
ciscofirepower_threat_defense_software6.4.0.18any
ciscofirepower_threat_defense_software7.0.0any
ciscofirepower_threat_defense_software7.0.0.1any
ciscofirepower_threat_defense_software7.0.1any
ciscofirepower_threat_defense_software7.0.1.1any
ciscofirepower_threat_defense_software7.0.2any
ciscofirepower_threat_defense_software7.0.2.1any
ciscofirepower_threat_defense_software7.0.3any
ciscofirepower_threat_defense_software7.0.4any
ciscofirepower_threat_defense_software7.0.5any
ciscofirepower_threat_defense_software7.0.6any
ciscofirepower_threat_defense_software7.0.6.1any
ciscofirepower_threat_defense_software7.0.6.2any
ciscofirepower_threat_defense_software7.0.6.3any
ciscofirepower_threat_defense_software7.0.7any
ciscofirepower_threat_defense_software7.0.8any
ciscofirepower_threat_defense_software7.0.8.1any
ciscofirepower_threat_defense_software7.1.0any
ciscofirepower_threat_defense_software7.1.0.1any
ciscofirepower_threat_defense_software7.1.0.2any
ciscofirepower_threat_defense_software7.1.0.3any
ciscofirepower_threat_defense_software7.2.0any
ciscofirepower_threat_defense_software7.2.0.1any
ciscofirepower_threat_defense_software7.2.1any
ciscofirepower_threat_defense_software7.2.2any
ciscofirepower_threat_defense_software7.2.3any
ciscofirepower_threat_defense_software7.2.4any
ciscofirepower_threat_defense_software7.2.4.1any
ciscofirepower_threat_defense_software7.2.5any
ciscofirepower_threat_defense_software7.2.5.1any
ciscofirepower_threat_defense_software7.2.5.2any
ciscofirepower_threat_defense_software7.2.6any
ciscofirepower_threat_defense_software7.2.7any
ciscofirepower_threat_defense_software7.2.8any
ciscofirepower_threat_defense_software7.2.8.1any
ciscofirepower_threat_defense_software7.2.9any
ciscofirepower_threat_defense_software7.3.0any
ciscofirepower_threat_defense_software7.3.1any
ciscofirepower_threat_defense_software7.3.1.1any
ciscofirepower_threat_defense_software7.3.1.2any
ciscofirepower_threat_defense_software7.4.0any
ciscofirepower_threat_defense_software7.4.1any
ciscofirepower_threat_defense_software7.4.1.1any
ciscofirepower_threat_defense_software7.4.2any
ciscofirepower_threat_defense_software7.4.2.1any
ciscofirepower_threat_defense_software7.4.2.2any
ciscofirepower_threat_defense_software7.4.2.3any
ciscofirepower_threat_defense_software7.4.2.4any
ciscofirepower_threat_defense_software7.6.0any
ciscofirepower_threat_defense_software7.7.0any

References 1

  • sec.cloudapps.cisco.com https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ospf-ZH8PhbSW
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.