Apache HTTP Server up to 2.4.41 mod_proxy_ftp uninitialized resource

Summaryinfo

A vulnerability identified as critical has been detected in Apache HTTP Server up to 2.4.41. The impacted element is an unknown function of the component mod_proxy_ftp. This manipulation causes uninitialized resource. This vulnerability is registered as CVE-2020-1934. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache HTTP Server up to 2.4.41 (Web Server). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component mod_proxy_ftp. The manipulation with an unknown input leads to a uninitialized resource vulnerability. The CWE definition for the vulnerability is CWE-908. The product uses or accesses a resource that has not been initialized. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In Apache HTTP Server 2.4.0 to 2.4.41, mod_proxy_ftp may use uninitialized memory when proxying to a malicious FTP server.

The weakness was published 04/01/2020 (Website). The advisory is shared at httpd.apache.org. This vulnerability is known as CVE-2020-1934 since 12/02/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/06/2026).

Upgrading to version 2.4.42 eliminates this vulnerability.

Similar entries are available at VDB-124447, VDB-130341, VDB-130329 and VDB-130330. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Web Server

Vendor

• Apache

Name

• HTTP Server

Version

• 2.4.0
• 2.4.1
• 2.4.2
• 2.4.3
• 2.4.4
• 2.4.5
• 2.4.6
• 2.4.7
• 2.4.8
• 2.4.9
• 2.4.10
• 2.4.11
• 2.4.12
• 2.4.13
• 2.4.14
• 2.4.15
• 2.4.16
• 2.4.17
• 2.4.18
• 2.4.19
• 2.4.20
• 2.4.21
• 2.4.22
• 2.4.23
• 2.4.24
• 2.4.25
• 2.4.26
• 2.4.27
• 2.4.28
• 2.4.29
• 2.4.30
• 2.4.31
• 2.4.32
• 2.4.33
• 2.4.34
• 2.4.35
• 2.4.36
• 2.4.37
• 2.4.38
• 2.4.39
• 2.4.40
• 2.4.41

License

• open-source

Website

• Vendor: https://www.apache.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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

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