KEV Entry

CVE-2021-4034

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2021-4034

2022-06-27 02:00 CEST

Timestamps

2022-06-27

2022-06-27

Scope

A local privilege escalation vulnerability was found on polkit's pkexec utility. The pkexec application is a setuid tool designed to allow... | Affected: Freedesktop.org / polkit | CVSS: 7.8 (HIGH) | EPSS: 0.94345 | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2021-4034', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-4034'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2021-4034'}

2daa637c-3e5e-4dbc-b406-2b398f5d7bab

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": "2022-06-27T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2021-4034",
  "cvss_estimated": false,
  "cvss_score": 7.8,
  "cvss_severity": "HIGH",
  "epss_percentile": 0.9985,
  "epss_score": 0.94345,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": null,
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "polkit",
  "title": "A local privilege escalation vulnerability was found on polkit\u0027s pkexec utility. The pkexec application is a setuid tool designed to allow...",
  "used_in_malware": "unknown",
  "vendor": "Freedesktop.org",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2021-4034"
}
 -
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