CVE-2022-20854 — Uncontrolled Resource Consumption in Cisco Firepower Threat Defense

CWE-400 — Uncontrolled Resource ConsumptionCWE-755 — Improper Handling of Exceptional Conditions4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.8%
top 26.04%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Cisco Firepower Threat DefenseCisco Secure Firewall Management CenterCisco Firepower Management Center+1 more
Timeline
PublishedNov 15
Latest updateNov 16

Description

A vulnerability in the processing of SSH connections of Cisco Firepower Management Center (FMC) and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper error handling when an SSH session fails to be established. An attacker could exploit this vulnerability by sending a high rate of crafted SSH connections to the instance. A successful exploit could 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 Packages4 packages

▶NVDcisco/firepower_threat_defense6.1.0 — 6.1.0.7+24
▶NVDcisco/secure_firewall_management_center6.1.0 — 6.1.0.7+24

🔴Vulnerability Details

2
GHSA
GHSA-mm7h-p3v8-j9f3: A vulnerability in the processing of SSH connections of Cisco Firepower Management Center (FMC) and Cisco Firepower Threat Defense (FTD) Software coul↗2022-11-16
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CVEList
CVE-2022-20854: A vulnerability in the processing of SSH connections of Cisco Firepower Management Center (FMC) and Cisco Firepower Threat Defense (FTD) Software coul↗2022-11-10
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📋Vendor Advisories

1
Cisco
Cisco Firepower Management Center and Firepower Threat Defense Software SSH Denial of Service Vulnerability↗2022-11-09
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CVE-2022-20854 — Uncontrolled Resource Consumption | cvebase