Is CVE-2021-33576 actively exploited?

CVE-2021-33576 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-33576?

CVE-2021-33576 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2021-33576?

Patch guidance is available from cleo security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-33576.

Fix CVE-2021-33576 - CRITICAL cleo lexicom

Description

An issue was discovered in Cleo LexiCom 5.5.0.0. Within the AS2 message, the sender can specify a filename. This filename can include path-traversal characters, allowing the file to be written to an arbitrary location on disk.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-22 · Path Traversal

Metadata

Primary Vendor: CLEO
Published: 6/18/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-33576

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary