CVE-2023-22957

Name: CVE-2023-22957
Creator: NVD / NIST
Published: 2023-08-11T20:15:14.787+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.13%

Last modified Jun 17, 2026

CVE-2023-22957 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in libac_des3.so on AudioCodes VoIP desk phones through 3.4.4.1000. Due to the use of hard-coded cryptographic key, an attacker with access to backup or configuration files is able to decrypt encrypted values and retrieve sensitive information, e.g., the device root password.. EPSS estimates a 1.13% chance of exploitation in the next 30 days.

Description

An issue was discovered in libac_des3.so on AudioCodes VoIP desk phones through 3.4.4.1000. Due to the use of hard-coded cryptographic key, an attacker with access to backup or configuration files is able to decrypt encrypted values and retrieve sensitive information, e.g., the device root password.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.13%

62.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-798

Affected Software

Vendor	Product	Versions
Audiocodes	C470hd Firmware	<= 3.4.4.1000
Audiocodes	C455hd Firmware	<= 3.4.4.1000
Audiocodes	C435hd Firmware	<= 3.4.4.1000
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/174215/AudioCodes-VoIP-Phones-Hardcoded-Key.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2023/Aug/15Exploit, Mailing List, Third Party Advisory
https://syss.deNot Applicable
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2022-052.txtExploit, Vendor Advisory
http://packetstormsecurity.com/files/174215/AudioCodes-VoIP-Phones-Hardcoded-Key.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2023/Aug/15Exploit, Mailing List, Third Party Advisory
https://syss.deNot Applicable
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2022-052.txtExploit, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2023-22957?

How severe is CVE-2023-22957?

CVE-2023-22957 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.13% probability of exploitation in the next 30 days.

How do I fix CVE-2023-22957?

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-2023-22957?

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

Scan your code now

Source: NVD / NIST