KEV Entry

CVE-2021-42013

Known Exploited Vulnerability Entry CISA

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Entry Details
Confirmed Exploited

CVE-2021-42013

2021-11-03 00:00 UTC

Timestamps

2021-11-03

2021-11-03

Scope

KEV entry: Apache HTTP Server Path Traversal Vulnerability | Affected: Apache / HTTP Server | Description: Apache HTTP Server contains a path traversal vulnerability that allows an attacker to perform remote code execution if files outside directories configured by Alias-like directives are not under default require all denied or if CGI scripts are enabled. This CVE ID resolves an incomplete patch for CVE-2021-41773. | Required action: Apply updates per vendor instructions. | Due date: 2021-11-17 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2021-42013

References
  • {'id': 'CVE-2021-42013', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-42013'}

11d06044-17b2-4ae2-986e-cb976913702a

CISA
405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 12:28 UTC

2026-02-06 07:17 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-22"
  ],
  "date_added": "2021-11-03",
  "due_date": "2021-11-17",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Known",
  "product": "HTTP Server",
  "vendorProject": "Apache",
  "vulnerabilityName": "Apache HTTP Server Path Traversal Vulnerability"
}
 -
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