CVE-2023-22955 Security feature bypass in n/a

High 7.8 Published 11 Aug 2023 Updated 10 Oct 2024

Attackers can bypass firmware validation on AudioCodes VoIP phones to install malicious firmware, enabling remote code execution.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-22955?

CVE-2023-22955 is a high-severity vulnerability in n/a, published on 11 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered on AudioCodes VoIP desk phones through 3.4.4.1000. The validation of firmware images only consists of simple checksum checks for different firmware components. Thus, by knowing how to calculate and where to store the required checksums for the flasher tool, an attacker is able to store malicious firmware.

Weakness: CWE-345

Which versions are affected by CVE-2023-22955?

It affects 3 products.

Products include Audiocodes 405hd Firmware, Audiocodes 445hd Firmware, Audiocodes C450hd Firmware.

How do I fix CVE-2023-22955?

No fix has been published for CVE-2023-22955 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-22955 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-22955 exists.

Sources

Also known as GHSA-xjqg-wxv8-wvg6.