KEV Entry

CVE-2016-4437

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2016-4437

2021-11-03 01:00 CET

Timestamps

2021-11-03

2021-11-03

Scope

Apache Shiro before 1.2.5, when a cipher key has not been configured for the "remember me" feature, allows remote attackers to execute arbitrary... | Affected: Apache / Shiro | CVSS: 9.8 (CRITICAL) | EPSS: 0.93039 | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2016-4437', 'url': 'https://www.cve.org/CVERecord?id=CVE-2016-4437'}
  • {'id': 'GHSA-P836-389H-J692', 'url': 'https://github.com/advisories/GHSA-P836-389H-J692'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2016-4437'}

1bfcf6dd-5a8f-4d95-945f-d0a42f575032

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

2026-10-02 09:10 CEST

2026-10-02 09:10 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2021-11-03T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2016-4437",
  "cvss_estimated": false,
  "cvss_score": 9.8,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.99832,
  "epss_score": 0.93039,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-P836-389H-J692",
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "Shiro",
  "title": "Apache Shiro before 1.2.5, when a cipher key has not been configured for the \"remember me\" feature, allows remote attackers to execute arbitrary...",
  "used_in_malware": "unknown",
  "vendor": "Apache",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2016-4437"
}
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