CVE-2021-31805

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

85.43% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 99.7% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-04-12 15:25Z4 YR AGO

Last updated

2024-08-03 23:10Z2 YR AGO

Reserved

2021-04-26

Assigning CNA

apache

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-917Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')Base

Data version

5.1

Document digest

86617e14efff30edc116ebf93a1d394ea6c5707280ac79b5e87e4ac7300bc0f3

• cwiki.apache.orghttps://cwiki.apache.org/confluence/display/WW/S2-062x_refsource_MISC
• www.openwall.com[oss-security] 20220412 CVE-2021-31805: Apache Struts: Forced OGNL evaluation, when evaluated on raw not validated user input in tag attributes, may lead to RCE.http://www.openwall.com/lists/oss-security/2022/04/12/6mailing-listx_refsource_MLIST
• www.oracle.comhttps://www.oracle.com/security-alerts/cpujul2022.htmlx_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20220420-0001/x_refsource_CONFIRM