Vulnerability in Audiocodes 405hd

CVE-2023-22955

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.

EPSS: 0.003 (22.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-22955?
CVE-2023-22955 is a high-severity vulnerability in Audiocodes 405hd, classified under Insufficient Verification of Data Authenticity. CVSS score: 7.8/10. Published 2023-08-11.
How severe is CVE-2023-22955?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-22955 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.