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CVE-2022-20926

HIGHCVSS 8.8/10EPSS 0.83%

Last modified

CVE-2022-20926 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability in the web management interface of the Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system. The vulnerability is due to insufficient validation of user-supplied parameters for certain API endpoints. An attacker could exploit this vulnerability by sending crafted input to an affected API endpoint. EPSS estimates a 0.83% chance of exploitation in the next 30 days.

Description

A vulnerability in the web management interface of the Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system. The vulnerability is due to insufficient validation of user-supplied parameters for certain API endpoints. An attacker could exploit this vulnerability by sending crafted input to an affected API endpoint. A successful exploit could allow an attacker to execute arbitrary commands on the device with low system privileges. To successfully exploit this vulnerability, an attacker would need valid credentials for a user with Device permissions: by default, only Administrators, Security Approvers and Network Admins user accounts have these permissions.

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
0.83%

52.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoSecure Firewall Management Center7.0.0
CiscoSecure Firewall Management Center7.0.0.1
CiscoSecure Firewall Management Center7.0.1
CiscoSecure Firewall Management Center7.0.1.1
CiscoSecure Firewall Management Center7.0.2
CiscoSecure Firewall Management Center7.0.2.1
CiscoSecure Firewall Management Center7.0.3
CiscoSecure Firewall Management Center7.0.4
CiscoSecure Firewall Management Center7.1.0
CiscoSecure Firewall Management Center7.1.0.1
CiscoSecure Firewall Management Center7.1.0.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-20926?
A vulnerability in the web management interface of the Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system. The vulnerability is due to insufficient validation of user-supplied parameters for certain API endpoints. An attacker could exploit this vulnerability by sending crafted input to an affected API endpoint. A successful exploit could allow an attacker to execute arbitrary commands on the device with low system privileges. To successfully exploit this vulnerability, an attacker would need valid credentials for a user with Device permissions: by default, only Administrators, Security Approvers and Network Admins user accounts have these permissions.
How severe is CVE-2022-20926?
CVE-2022-20926 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.
How do I fix CVE-2022-20926?
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.

Are you affected by CVE-2022-20926?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST