GNU wget up to 1.21.1 HTTP Header Authorization information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in GNU wget up to 1.21.1. It has been rated as problematic. Affected by this vulnerability is an unknown functionality of the component HTTP Header Handler. The manipulation of the argument Authorization leads to information disclosure. This vulnerability is documented as CVE-2021-31879. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in GNU wget up to 1.21.1 (Automation Software). This issue affects an unknown function of the component HTTP Header Handler. The manipulation of the argument Authorization with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality.

The weakness was released 04/29/2021. It is possible to read the advisory at mail.gnu.org. The identification of this vulnerability is CVE-2021-31879. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 215176 (SUSE SLES12 Security Update : wget (SUSE-SU-2025:0380-1)), 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 (215176). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: 215176
Nessus Name: SUSE SLES12 Security Update : wget (SUSE-SU-2025:0380-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/29/2021 🔍
04/29/2021 +0 days 🔍
04/29/2021 +0 days 🔍
02/10/2025 +1383 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: mail.gnu.org
Status: Not defined

CVE: CVE-2021-31879 (🔍)
GCVE (CVE): GCVE-0-2021-31879
GCVE (VulDB): GCVE-100-174251

Entryinfo

Created: 04/29/2021 12:25
Updated: 02/10/2025 10:06
Changes: 04/29/2021 12:25 (38), 05/03/2021 07:21 (2), 02/10/2025 10:06 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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