CVE-2022-20866 — Observable Discrepancy in Cisco Adaptive Security Appliance Software

CWE-203 — Observable Discrepancy4 documents4 sources
Severity
7.5HIGHNVD
CNA7.4
EPSS
8.9%
top 7.40%
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
PublishedAug 10
Latest updateAug 11

Description

A vulnerability in the handling of RSA keys on devices running Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to retrieve an RSA private key. This vulnerability is due to a logic error when the RSA key is stored in memory on a hardware platform that performs hardware-based cryptography. An attacker could exploit this vulnerability by using a Lenstra side-channel attack against the targeted device.…

CVSS vector

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

Affected Packages3 packages

▶NVDcisco/adaptive_security_appliance_software9.16.0 — 9.16.3.19+2
▶NVDcisco/firepower_threat_defense7.0.0 — 7.0.4+1

🔴Vulnerability Details

2
GHSA
GHSA-96q7-c2w2-93p8: A vulnerability in the handling of RSA keys on devices running Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FT↗2022-08-11
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CVEList
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software RSA Private Key Leak Vulnerability↗2022-08-10
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📋Vendor Advisories

1
Cisco
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software RSA Private Key Leak Vulnerability↗2022-08-10
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CVE-2022-20866 — Observable Discrepancy in Cisco | cvebase