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CVE-2024-20329

CRITICALCVSS 9.9/10EPSS 1.16%

Last modified

CVE-2024-20329 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. A vulnerability in the SSH subsystem of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to execute operating system commands as root. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by submitting crafted input when executing remote CLI commands over SSH. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

Description

A vulnerability in the SSH subsystem of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to execute operating system commands as root. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by submitting crafted input when executing remote CLI commands over SSH. A successful exploit could allow the attacker to execute commands on the underlying operating system with root-level privileges. An attacker with limited user privileges could use this vulnerability to gain complete control over the system.

Metrics

CVSS 3.1
9.9/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
1.16%

63.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoAdaptive Security Appliance Software9.17.1
CiscoAdaptive Security Appliance Software9.17.1.7
CiscoAdaptive Security Appliance Software9.17.1.9
CiscoAdaptive Security Appliance Software9.17.1.10
CiscoAdaptive Security Appliance Software9.17.1.11
CiscoAdaptive Security Appliance Software9.17.1.13
CiscoAdaptive Security Appliance Software9.17.1.15
CiscoAdaptive Security Appliance Software9.17.1.20
CiscoAdaptive Security Appliance Software9.17.1.30
CiscoAdaptive Security Appliance Software9.17.1.33
CiscoAdaptive Security Appliance Software9.18.1
CiscoAdaptive Security Appliance Software9.18.1.3
CiscoAdaptive Security Appliance Software9.18.2
CiscoAdaptive Security Appliance Software9.18.2.5
CiscoAdaptive Security Appliance Software9.18.2.7
CiscoAdaptive Security Appliance Software9.18.2.8
CiscoAdaptive Security Appliance Software9.18.3
CiscoAdaptive Security Appliance Software9.18.3.39
CiscoAdaptive Security Appliance Software9.18.3.46
CiscoAdaptive Security Appliance Software9.18.3.53
CiscoAdaptive Security Appliance Software9.18.3.55
CiscoAdaptive Security Appliance Software9.18.3.56
CiscoAdaptive Security Appliance Software9.19.1
CiscoAdaptive Security Appliance Software9.19.1.5
CiscoAdaptive Security Appliance Software9.19.1.9
CiscoAdaptive Security Appliance Software9.19.1.12
CiscoAdaptive Security Appliance Software9.19.1.18

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2024-20329?
A vulnerability in the SSH subsystem of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to execute operating system commands as root. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by submitting crafted input when executing remote CLI commands over SSH. A successful exploit could allow the attacker to execute commands on the underlying operating system with root-level privileges. An attacker with limited user privileges could use this vulnerability to gain complete control over the system.
How severe is CVE-2024-20329?
CVE-2024-20329 has a CVSS score of 9.9/10 (CRITICAL severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.
How do I fix CVE-2024-20329?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST