What is the CVSS score of CVE-2023-43627?

CVE-2023-43627 has a CVSS 3.1 base score of 5.7 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.3%.

Acera 1310 Firmware CVE-2023-43627

MEDIUM

Path Traversal (CWE-22)

2023-10-03 vultures@jpcert.or.jp

Path Traversal Acera 1310 Firmware Acera 1320 Firmware

5.7

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.7 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Oct 03, 2023 - 01:15 nvd

MEDIUM 5.7

DescriptionNVD

Path traversal vulnerability in ACERA 1320 firmware ver.01.26 and earlier, and ACERA 1310 firmware ver.01.26 and earlier allows a network-adjacent authenticated attacker to alter critical information such as system files by sending a specially crafted request. They are affected when running in ST(Standalone) mode.

AnalysisAI

Path traversal vulnerability in ACERA 1320 firmware ver.01.26 and earlier, and ACERA 1310 firmware ver.01.26 and earlier allows a network-adjacent authenticated attacker to alter critical information. Rated medium severity (CVSS 5.7), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. Path traversal vulnerability in ACERA 1320 firmware ver.01.26 and earlier, and ACERA 1310 firmware ver.01.26 and earlier allows a network-adjacent authenticated attacker to alter critical information such as system files by sending a specially crafted request. They are affected when running in ST(Standalone) mode. Affected products include: Furunosystems Acera 1310 Firmware, Furunosystems Acera 1320 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.