mod_wsgi Header Client-IP less trusted source

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in mod_wsgi. It has been classified as critical. This impacts an unknown function of the component Header Handler. The manipulation of the argument Client-IP leads to less trusted source. This vulnerability is traded as CVE-2022-2255. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in mod_wsgi (unknown version). It has been rated as critical. This issue affects an unknown code block of the component Header Handler. The manipulation of the argument Client-IP with an unknown input leads to a less trusted source vulnerability. Using CWE to declare the problem leads to CWE-348. The product has two different sources of the same data or information, but it uses the source that has less support for verification, is less trusted, or is less resistant to attack. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability was found in mod_wsgi. The X-Client-IP header is not removed from a request from an untrusted proxy, allowing an attacker to pass the X-Client-IP header to the target WSGI application because the condition to remove it is missing.

The weakness was shared 08/26/2022. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2022-2255 since 06/29/2022. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 235728 (RHEL 8 : python39:3.9 (RHSA-2025:4791)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (235728). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Less trusted source
CWE: CWE-348
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: 235728
Nessus Name: RHEL 8 : python39:3.9 (RHSA-2025:4791)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/29/2022 🔍
08/26/2022 +58 days 🔍
08/26/2022 +0 days 🔍
05/13/2025 +991 days 🔍

Sourcesinfo

Advisory: DLA 3111-1
Status: Confirmed

CVE: CVE-2022-2255 (🔍)
GCVE (CVE): GCVE-0-2022-2255
GCVE (VulDB): GCVE-100-207359

Entryinfo

Created: 08/26/2022 09:52
Updated: 05/13/2025 05:13
Changes: 08/26/2022 09:52 (36), 10/02/2022 09:52 (1), 10/02/2022 09:55 (11), 05/13/2025 05:13 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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