What is the CVSS score of CVE-2022-23747?

CVE-2022-23747 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 10.0%.

Is there a public PoC exploit available for CVE-2022-23747?

Yes, a public proof-of-concept exploit is available for CVE-2022-23747. Prioritise patching immediately. EPSS: 10.0%.

Xperia 1 Firmware CVE-2022-23747

CRITICAL

Classic Buffer Overflow (CWE-120)

2022-08-17 cve@checkpoint.com

Buffer Overflow Xperia 1 Firmware Xperia 5 Firmware Xperia Pro Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Aug 17, 2022 - 21:15 nvd

CRITICAL 9.8

DescriptionNVD

In Sony Xperia series 1, 5, and Pro, an out of bound memory access can occur due to lack of validation of the number of frames being passed during music playback.

AnalysisAI

In Sony Xperia series 1, 5, and Pro, an out of bound memory access can occur due to lack of validation of the number of frames being passed during music playback. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. In Sony Xperia series 1, 5, and Pro, an out of bound memory access can occur due to lack of validation of the number of frames being passed during music playback. Affected products include: Sony Xperia 1 Firmware, Sony Xperia 5 Firmware, Sony Xperia Pro Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.