What is the CVSS score of CVE-2023-27921?

CVE-2023-27921 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.3%.

Jins Meme Firmware CVE-2023-27921

MEDIUM

Use of Hard-coded Credentials (CWE-798)

2023-05-23 vultures@jpcert.or.jp

Authentication Bypass Jins Meme Firmware

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

May 23, 2023 - 02:15 nvd

MEDIUM 6.5

DescriptionNVD

AnalysisAI

JINS MEME CORE Firmware version 2.2.0 and earlier uses a hard-coded cryptographic key, which may lead to data acquired by a sensor of the affected product being decrypted by a network-adjacent. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Use of Hard-coded Credentials (CWE-798), which allows attackers to gain access using credentials embedded in source code. JINS MEME CORE Firmware version 2.2.0 and earlier uses a hard-coded cryptographic key, which may lead to data acquired by a sensor of the affected product being decrypted by a network-adjacent attacker. Affected products include: Jins Jins Meme Firmware. Version information: version 2.2.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Remove hard-coded credentials, use environment variables or secrets management, rotate exposed credentials immediately.