CVE-2023-22956

Name: CVE-2023-22956
Creator: NVD / NIST
Published: 2023-08-11T20:15:14.703+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.13%

Last modified Jun 17, 2026

CVE-2023-22956 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered on AudioCodes VoIP desk phones through 3.4.4.1000. Due to the use of a hard-coded cryptographic key, an attacker is able to decrypt encrypted configuration files and retrieve sensitive information.. EPSS estimates a 1.13% chance of exploitation in the next 30 days.

Description

An issue was discovered on AudioCodes VoIP desk phones through 3.4.4.1000. Due to the use of a hard-coded cryptographic key, an attacker is able to decrypt encrypted configuration files and retrieve sensitive information.

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/174216/AudioCodes-VoIP-Phones-Hardcoded-Key.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2023/Aug/16Mailing List, Third Party Advisory
https://syss.deNot Applicable
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2022-054.txtExploit, Vendor Advisory
http://packetstormsecurity.com/files/174216/AudioCodes-VoIP-Phones-Hardcoded-Key.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2023/Aug/16Mailing List, Third Party Advisory
https://syss.deNot Applicable
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2022-054.txtExploit, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2023-22956?

How severe is CVE-2023-22956?

CVE-2023-22956 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-2023-22956?

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-2023-22956?

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

Scan your code now

Source: NVD / NIST