What is the CVSS score of CVE-2023-22955?

CVE-2023-22955 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2023-22955?

Yes, a public proof-of-concept exploit is available for CVE-2023-22955. Prioritise patching immediately. EPSS: 0.3%.

445Hd Firmware CVE-2023-22955

HIGH

Insufficient Verification of Data Authenticity (CWE-345)

2023-08-11 cve@mitre.org

Information Disclosure 445Hd Firmware 405Hd Firmware C450Hd Firmware

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Aug 11, 2023 - 20:15 nvd

HIGH 7.8

DescriptionNVD

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.

AnalysisAI

An issue was discovered on AudioCodes VoIP desk phones through 3.4.4.1000. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-345. 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. Affected products include: Audiocodes 445Hd Firmware, Audiocodes 405Hd Firmware, Audiocodes C450Hd Firmware. Version information: through 3.4.4.1000..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.