What is the CVSS score of CVE-2021-20692?

CVE-2021-20692 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H. EPSS exploitation probability: 1.0%.

Archive Collectively Operation Utility CVE-2021-20692

HIGH

Path Traversal (CWE-22)

2021-04-07 vultures@jpcert.or.jp

Path Traversal Archive Collectively Operation Utility

7.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.1 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Apr 07, 2021 - 08:15 nvd

HIGH 7.1

DescriptionNVD

AnalysisAI

Directory traversal vulnerability in Archive collectively operation utility Ver.2.10.1.0 and earlier allows an attacker to create or overwrite files by leading a user to expand a malicious ZIP. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, 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. Directory traversal vulnerability in Archive collectively operation utility Ver.2.10.1.0 and earlier allows an attacker to create or overwrite files by leading a user to expand a malicious ZIP archives. Affected products include: Eikisoft Archive Collectively Operation Utility.

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.