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CVE-2024-20350

HIGHCVSS 8.1/10EPSS 0.38%

Last modified

CVE-2024-20350 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. A vulnerability in the SSH server of Cisco Catalyst Center, formerly Cisco DNA Center, could allow an unauthenticated, remote attacker to impersonate a Cisco Catalyst Center appliance. This vulnerability is due to the presence of a static SSH host key. An attacker could exploit this vulnerability by performing a machine-in-the-middle attack on SSH connections, which could allow the attacker to intercept traffic between SSH clients and a Cisco Catalyst Center appliance. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

A vulnerability in the SSH server of Cisco Catalyst Center, formerly Cisco DNA Center, could allow an unauthenticated, remote attacker to impersonate a Cisco Catalyst Center appliance. This vulnerability is due to the presence of a static SSH host key. An attacker could exploit this vulnerability by performing a machine-in-the-middle attack on SSH connections, which could allow the attacker to intercept traffic between SSH clients and a Cisco Catalyst Center appliance. A successful exploit could allow the attacker to impersonate the affected appliance, inject commands into the terminal session, and steal valid user credentials.

Metrics

CVSS 3.1
8.1/10

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

EPSS Probability
0.38%

30.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
CiscoCatalyst Center1.0.0—
CiscoCatalyst Center1.4.0.0—
CiscoCatalyst Center2.1.1.0—
CiscoCatalyst Center2.1.1.3—
CiscoCatalyst Center2.1.2.0—
CiscoCatalyst Center2.1.2.3—
CiscoCatalyst Center2.1.2.4—
CiscoCatalyst Center2.1.2.5—
CiscoCatalyst Center2.1.2.6—
CiscoCatalyst Center2.1.2.7—
CiscoCatalyst Center2.1.2.8—
CiscoCatalyst Center2.2.1.0—
CiscoCatalyst Center2.2.1.3—
CiscoCatalyst Center2.2.2.0—
CiscoCatalyst Center2.2.2.1—
CiscoCatalyst Center2.2.2.3—
CiscoCatalyst Center2.2.2.4—
CiscoCatalyst Center2.2.2.5—
CiscoCatalyst Center2.2.2.6—
CiscoCatalyst Center2.2.2.7—
CiscoCatalyst Center2.2.2.8—
CiscoCatalyst Center2.2.2.9—
CiscoCatalyst Center2.2.3.0—
CiscoCatalyst Center2.2.3.3—
CiscoCatalyst Center2.2.3.4—
CiscoCatalyst Center2.2.3.5—
CiscoCatalyst Center2.2.3.6—
CiscoCatalyst Center2.3.2.1—
CiscoCatalyst Center2.3.2.1-airgap—
CiscoCatalyst Center2.3.2.1-airgap-ca—
CiscoCatalyst Center2.3.2.3—
CiscoCatalyst Center2.3.3.0—
CiscoCatalyst Center2.3.3.0-airgap—
CiscoCatalyst Center2.3.3.1—
CiscoCatalyst Center2.3.3.1-airgap—
CiscoCatalyst Center2.3.3.3—
CiscoCatalyst Center2.3.3.3-airgap—
CiscoCatalyst Center2.3.3.3-airgap-ca—
CiscoCatalyst Center2.3.3.4—
CiscoCatalyst Center2.3.3.4-airgap—
CiscoCatalyst Center2.3.3.4-airgap-mdnac—
CiscoCatalyst Center2.3.3.5—
CiscoCatalyst Center2.3.3.5-airgap—
CiscoCatalyst Center2.3.3.6—
CiscoCatalyst Center2.3.3.6-70045Hotfix1
CiscoCatalyst Center2.3.3.6-airgap—
CiscoCatalyst Center2.3.3.6-airgap-mdnac—
CiscoCatalyst Center2.3.3.7—
CiscoCatalyst Center2.3.3.7-72323—
CiscoCatalyst Center2.3.3.7-72328-airgap—

Showing 50 of 82 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2024-20350?
A vulnerability in the SSH server of Cisco Catalyst Center, formerly Cisco DNA Center, could allow an unauthenticated, remote attacker to impersonate a Cisco Catalyst Center appliance. This vulnerability is due to the presence of a static SSH host key. An attacker could exploit this vulnerability by performing a machine-in-the-middle attack on SSH connections, which could allow the attacker to intercept traffic between SSH clients and a Cisco Catalyst Center appliance. A successful exploit could allow the attacker to impersonate the affected appliance, inject commands into the terminal session, and steal valid user credentials.
How severe is CVE-2024-20350?
CVE-2024-20350 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.
How do I fix CVE-2024-20350?
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-2024-20350?

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

Scan your code now

Source: NVD / NIST