wpa_supplicant/hostapd 2.9 tls/pkcs1.c AlgorithmIdentifier input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in wpa_supplicant and hostapd 2.9. Affected by this issue is some unknown functionality of the file tls/pkcs1.c. The manipulation of the argument AlgorithmIdentifier results in an unknown weakness. This vulnerability is known as CVE-2021-30004. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in wpa_supplicant and hostapd 2.9. It has been classified as problematic. Affected is an unknown part of the file tls/pkcs1.c. The manipulation of the argument AlgorithmIdentifier with an unknown input leads to a unknown weakness. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. The impact remains unknown.

The weakness was published 04/02/2021. The advisory is shared for download at w1.fi. This vulnerability is traded as CVE-2021-30004. There are known technical details, but no exploit is available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at w1.fi.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

ADP CISA Base Score: 4.3
ADP CISA Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: w1.fi

Timelineinfo

04/02/2021 🔍
04/02/2021 +0 days 🔍
04/02/2021 +0 days 🔍
07/07/2026 +1922 days 🔍

Sourcesinfo

Advisory: w1.fi
Status: Confirmed

CVE: CVE-2021-30004 (🔍)
GCVE (CVE): GCVE-0-2021-30004
GCVE (VulDB): GCVE-100-172140

Entryinfo

Created: 04/02/2021 16:19
Updated: 07/07/2026 21:32
Changes: 04/02/2021 16:19 (36), 04/07/2021 23:31 (5), 07/07/2026 21:32 (44)
Complete: 🔍
Cache ID: 216::103

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