Cisco ATA up to 12.0.1 SR5 Web-based Management Interface unnecessary privileges

Summaryinfo

A vulnerability was found in Cisco ATA. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component Web-based Management Interface. Performing a manipulation results in unnecessary privileges. This vulnerability is known as CVE-2024-20420. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in Cisco ATA. This affects an unknown function of the component Web-based Management Interface. The manipulation with an unknown input leads to a unnecessary privileges vulnerability. CWE is classifying the issue as CWE-250. The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the web-based management interface of Cisco ATA 190 Series Analog Telephone Adapter firmware could allow an authenticated, remote attacker with low privileges to run commands as an Admin user. This vulnerability is due to incorrect authorization verification by the HTTP server. An attacker could exploit this vulnerability by sending a malicious request to the web-based management interface. A successful exploit could allow the attacker to run commands as the Admin user.

The advisory is shared at sec.cloudapps.cisco.com. This vulnerability is uniquely identified as CVE-2024-20420 since 11/08/2023. The exploitability is told to be easy. It is possible to initiate the attack remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/01/2024). MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

• Cisco

Name

• ATA

Version

• 11.1.0
• 11.1.0 MSR1
• 11.1.0 MSR2
• 11.1.0 MSR3
• 11.1.0 MSR4
• 11.2.1
• 11.2.2
• 11.2.2 MSR1
• 11.2.3
• 11.2.4
• 12.0.1 SR1
• 12.0.1 SR2
• 12.0.1 SR3
• 12.0.1 SR4
• 12.0.1 SR5

License

• commercial

Website

• Vendor: https://www.cisco.com/

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Entryinfo

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