KEV Entry

CVE-2021-31805

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2021-31805

2026-06-12 02:32 CEST

Timestamps

2026-06-12

2026-06-12

Scope

Forced OGNL evaluation, when evaluated on raw not validated user input in tag attributes, may lead to RCE. | Affected: Apache / Apache Struts | CVSS: 9.8 (CRITICAL) | EPSS: 0.85433 | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2021-31805', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-31805'}
  • {'id': 'GHSA-V8J6-6C2R-R27C', 'url': 'https://github.com/advisories/GHSA-V8J6-6C2R-R27C'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2021-31805'}

b49098c4-7dc5-4a31-a7fd-9b51cf91fab9

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-10-02 09:09 CEST

2026-10-02 09:09 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2026-06-12T00:32:51.325Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2021-31805",
  "cvss_estimated": false,
  "cvss_score": 9.8,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.99715,
  "epss_score": 0.85433,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-V8J6-6C2R-R27C",
  "not_yet_in_cisa_kev": true,
  "previous_ids": [],
  "product": "Apache Struts",
  "title": "Forced OGNL evaluation, when evaluated on raw not validated user input in tag attributes, may lead to RCE.",
  "used_in_malware": "unknown",
  "vendor": "Apache",
  "virtual_patch": true,
  "vulnerability_id": "CVE-2021-31805"
}
 -
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