CVE-2022-20947 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Cisco Adaptive Security Appliance Software

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer4 documents4 sources
Severity
7.5HIGHNVD
CNA8.6
EPSS
0.8%
top 26.04%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Cisco Adaptive Security Appliance SoftwareCisco Firepower Threat Defense SoftwareCisco Adaptive Security Appliance Software+1 more
Timeline
PublishedNov 15
Latest updateNov 16

Description

A vulnerability in dynamic access policies (DAP) functionality of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. This vulnerability is due to improper processing of HostScan data received from the Posture (HostScan) module. An attacker could exploit this vulnerability by sending crafted HostScan data to an affected …

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 Packages4 packages

▶NVDcisco/firepower_threat_defense86 versions+85

🔴Vulnerability Details

2
GHSA
GHSA-7vmr-w25q-ff25: A vulnerability in dynamic access policies (DAP) functionality of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD)↗2022-11-16
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CVEList
CVE-2022-20947: A vulnerability in dynamic access policies (DAP) functionality of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD)↗2022-11-10
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📋Vendor Advisories

1
Cisco
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Dynamic Access Policies Denial of Service Vulnerability↗2022-11-09
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