Is CVE-2021-31805 actively exploited?

CVE-2021-31805 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-31805?

CVE-2021-31805 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-2021-31805?

Patch guidance is available from apache security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-31805.

Fix CVE-2021-31805 - CRITICAL apache struts

Description

The fix issued for CVE-2020-17530 was incomplete. So from Apache Struts 2.0.0 to 2.5.29, still some of the tag’s attributes could perform a double evaluation if a developer applied forced OGNL evaluation by using the %{...} syntax. Using forced OGNL evaluation on untrusted user input can lead to a Remote Code Execution and security degradation.

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-917 CWE-917

Metadata

Primary Vendor: APACHE
Published: 4/12/2022
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-31805

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary