CVE-2023-20081

CWE-122 — Heap-based Buffer OverflowCWE-787 — Out-of-bounds Write4 documents4 sources
Severity
5.9MEDIUM
EPSS
0.5%
top 33.66%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Cisco Cisco IOSCisco Adaptive Security Appliance SoftwareCisco Firepower Threat Defense+2 more
Timeline
PublishedMar 23

Description

A vulnerability in the IPv6 DHCP (DHCPv6) client module of Cisco Adaptive Security Appliance (ASA) Software, Cisco Firepower Threat Defense (FTD) Software, Cisco IOS Software, and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of DHCPv6 messages. An attacker could exploit this vulnerability by sending crafted DHCPv6 messages to an affected device. A succ…

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:HExploitability: 2.2 | Impact: 4.0

Affected Packages5 packages

▶NVDcisco/firepower_threat_defense159 versions+158
▶NVDcisco/ios17.8.1
▶NVDcisco/ios_xe17.8.1
▶CVEListV5cisco/cisco_iosn/a

🔴Vulnerability Details

2
GHSA
GHSA-h5mj-448h-fhr2: A vulnerability in the IPv6 DHCP (DHCPv6) client module of Cisco Adaptive Security Appliance (ASA) Software, Cisco Firepower Threat Defense (FTD) Soft↗2023-03-23
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CVEList
Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability↗2023-03-23
▶

📋Vendor Advisories

1
Cisco
Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability↗2023-03-22
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CVE-2023-20081 (MEDIUM CVSS 5.9) | A vulnerability in the IPv6 DHCP (D | cvebase.io