CVE-2023-22955

Name: CVE-2023-22955
Creator: NVD / NIST
Published: 2023-08-11T20:15:14.607+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.30%

Last modified Jun 17, 2026

CVE-2023-22955 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.30%

21.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-345

Affected Software

Vendor	Product	Versions
Audiocodes	445hd Firmware	<= 3.4.4.1000
Audiocodes	405hd Firmware	<= 3.4.4.1000
Audiocodes	C450hd Firmware	<= 3.4.4.1000

References

http://packetstormsecurity.com/files/174214/AudioCodes-VoIP-Phones-Insufficient-Firmware-Validation.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2023/Aug/17Mailing List, Third Party Advisory
https://syss.deNot Applicable
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2022-055.txtExploit, Vendor Advisory
http://packetstormsecurity.com/files/174214/AudioCodes-VoIP-Phones-Insufficient-Firmware-Validation.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2023/Aug/17Mailing List, Third Party Advisory
https://syss.deNot Applicable
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2022-055.txtExploit, Vendor Advisory

Timeline

Published: Aug 11, 2023
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-22955?

How severe is CVE-2023-22955?

CVE-2023-22955 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2023-22955?

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-2023-22955?

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

Scan your code now

Source: NVD / NIST