KEV Entry

CVE-2021-39144

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2021-39144

2023-03-10 01:00 CET

Timestamps

2023-03-10

2023-03-10

Scope

XStream is vulnerable to a Remote Command Execution attack | Affected: X-stream / xstream | CVSS: 8.5 (HIGH) | EPSS: 0.98124 | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2021-39144', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-39144'}
  • {'id': 'GHSA-J9H8-PHRW-H4FH', 'url': 'https://github.com/advisories/GHSA-J9H8-PHRW-H4FH'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2021-39144'}

4eb79336-d398-4249-b2c5-ad4c67c4a2fb

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

2026-10-02 09:11 CEST

2026-10-02 09:11 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2023-03-10T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2021-39144",
  "cvss_estimated": false,
  "cvss_score": 8.5,
  "cvss_severity": "HIGH",
  "epss_percentile": 0.99912,
  "epss_score": 0.98124,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-J9H8-PHRW-H4FH",
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "xstream",
  "title": "XStream is vulnerable to a Remote Command Execution attack",
  "used_in_malware": "unknown",
  "vendor": "X-stream",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2021-39144"
}
 -
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