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HomeCVEsCVE-2021-41773

CVE-2021-41773

Published: January 27, 2026
Last updated:5 hours ago (January 27, 2026)
Exploit: YesZero-day: YesPatch: YesTrend: Viral
TL;DR
Updated January 27, 2026

CVE-2021-41773 is a high severity vulnerability with a CVSS score of 7.5. Exploits are available; patches have been released and should be applied urgently. This is classified as a zero-day vulnerability.

Key Points
  • 1High severity (CVSS 7.5/10)
  • 2EPSS: 94.00% - very high likelihood of exploitation
  • 3Public exploits are available
  • 4Vendor patches are available
  • 5Strobes Priority Score: 805/1000 (High)
  • 6Affects products from 4 vendors
Severity Scores
CVSS v37.5
CVSS v24.3
Priority Score805.0
EPSS Score94.0
High
Exploitation LikelihoodCritical
94.00%EPSS

Very high probability of exploitation in the next 30 days

Immediate patching required
94.00%
EPSS
7.5
CVSS
Yes
Exploit
Yes
Patch
High Priority
high EPSS • exploit exists

EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.

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. The original patch issued under this CVE ID is insufficient, please review remediation information under CVE-2021-42013.

CVSS v3 Breakdown
Attack Vector:Network
Attack Complexity:Local
Privileges Required:Network
User Interaction:Network
Scope:Unchanged
Confidentiality:High
Integrity:Network
Availability:Network
Exploit References
Exploit-DBExploit-DBCisa.govPacketstormsecurity.comPacketstormsecurity.comPacketstormsecurity.comPacketstormsecurity.comMetasploitMetasploitGitHub
Patch References
[email protected][email protected][email protected][email protected][email protected]Zeroday CZ
Trend Analysis
Viral
Vulnerable Products
VendorProduct
ApacheHTTP Server
FedoraprojectFedora
NetappCloud Backup
OracleInstantis Enterprisetrack
Advisories
CISA: 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. The original patch issued under this CVE ID is insufficient, please review remediation information under CVE-2021-42013.
GitHub AdvisoryNVD
Cite This Page
APA Format
Strobes VI. (2026). CVE-2021-41773 - CVE Details and Analysis. Strobes VI. Retrieved January 27, 2026, from https://vi.strobes.co/cve/CVE-2021-41773
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