What’s Vulnerable › Vulnerabilities

CVE-2023-22956

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-11 · updated 2026-06-17
• Weakness: CWE-798

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.

Affected products

• Audiocodes 405Hd Firmware: through 3.4.4.1000
• Audiocodes 445Hd Firmware: through 3.4.4.1000
• Audiocodes C435Hd Firmware: through 3.4.4.1000
• Audiocodes C450Hd Firmware: through 3.4.4.1000
• Audiocodes C455Hd Firmware: through 3.4.4.1000
• Audiocodes C470Hd Firmware: through 3.4.4.1000

References

• http://packetstormsecurity.com/files/174216/AudioCodes-VoIP-Phones-Hardcoded-Key.html
• http://seclists.org/fulldisclosure/2023/Aug/16
• https://syss.de
• https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2022-054.txt
• http://packetstormsecurity.com/files/174216/AudioCodes-VoIP-Phones-Hardcoded-Key.html
• http://seclists.org/fulldisclosure/2023/Aug/16
• https://syss.de
• https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2022-054.txt

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