CVE-2021-1501 — Insufficient Session Expiration in Cisco Adaptive Security Appliance Software

CWE-613 — Insufficient Session Expiration4 documents4 sources
Severity
7.5HIGHNVD
CNA8.6
EPSS
0.8%
top 26.47%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Cisco Adaptive Security Appliance SoftwareCisco Firepower Threat DefenseCisco Adaptive Security Appliance Software
Timeline
PublishedApr 29
Latest updateMay 24

Description

A vulnerability in the SIP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a crash and reload of an affected device, resulting in a denial of service (DoS) condition.The vulnerability is due to a crash that occurs during a hash lookup for a SIP pinhole connection. An attacker could exploit this vulnerability by sending crafted SIP traffic through an affected device. A …

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶NVDcisco/firepower_threat_defense6.2.2 — 6.4.0.12+2

🔴Vulnerability Details

2
GHSA
GHSA-g39j-8m48-qwgj: A vulnerability in the SIP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software cou↗2022-05-24
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CVEList
Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software SIP Denial of Service Vulnerability↗2021-04-29
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📋Vendor Advisories

1
Cisco
Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software SIP Denial of Service Vulnerability↗2021-04-28
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CVE-2021-1501 — Insufficient Session Expiration | cvebase