CVE-2021-34704 — Stack-based Buffer Overflow in Cisco Adaptive Security Appliance Software

CWE-121 — Stack-based Buffer OverflowCWE-787 — Out-of-bounds WriteCWE-234 — Failure to Handle Missing ParameterCWE-444 — HTTP Request Smuggling4 documents4 sources
Severity
7.5HIGHNVD
CNA8.6
EPSS
0.3%
top 51.23%
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
PublishedJan 11
Latest updateJan 12

Description

A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to improper input validation when parsing HTTPS requests. An attacker could exploit this vulnerability by sending a malicious HTTPS request to an affected device. A successful exploit could allow the attacker to cause the device t…

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

▶CVEListV5cisco/cisco_firepower_threat_defense_softwareunspecified — 6.6.5
▶CVEListV5cisco/cisco_adaptive_security_appliance_softwareunspecified — 6.4.0.13
▶NVDcisco/firepower_threat_defense6.7.0 — 6.7.0.3+1

🔴Vulnerability Details

2
GHSA
GHSA-25qg-5w5q-f6xw: A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software co↗2022-01-12
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CVEList
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Denial of Service Vulnerability↗2022-01-11
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📋Vendor Advisories

1
Cisco
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Denial of Service Vulnerabilities↗2021-10-27
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CVE-2021-34704 — Stack-based Buffer Overflow in Cisco | cvebase