Apache HTTP Server up to 2.4.46 MergeSlashes Remote Code Execution

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Apache HTTP Server up to 2.4.46. It has been classified as problematic. Affected is an unknown function of the component MergeSlashes Handler. Performing a manipulation results in an unknown weakness. This vulnerability is cataloged as CVE-2021-30641. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Apache HTTP Server up to 2.4.46 (Web Server). This affects an unknown code block of the component MergeSlashes Handler. The impact remains unknown.

The weakness was shared 06/10/2021. The advisory is shared at httpd.apache.org. This vulnerability is uniquely identified as CVE-2021-30641. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 294771 (MiracleLinux 8 : httpd:2.4 (AXSA:2021-2541:01)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.4.48 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (294771). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 294771
Nessus Name: MiracleLinux 8 : httpd:2.4 (AXSA:2021-2541:01)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: HTTP Server 2.4.48

Timelineinfo

04/13/2021 🔍
06/10/2021 +58 days 🔍
06/10/2021 +0 days 🔍
01/21/2026 +1686 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: httpd.apache.org
Status: Confirmed

CVE: CVE-2021-30641 (🔍)
GCVE (CVE): GCVE-0-2021-30641
GCVE (VulDB): GCVE-100-176769

Entryinfo

Created: 06/10/2021 16:36
Updated: 01/21/2026 10:51
Changes: 06/10/2021 16:36 (38), 06/13/2021 06:45 (5), 01/21/2026 10:51 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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