Yubico pam-u2f up to 1.1.0 improper authentication

CVSS Meta Temp Score
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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 Yubico pam-u2f up to 1.1.0 and classified as critical. This impacts an unknown function. Such manipulation leads to improper authentication. This vulnerability is traded as CVE-2021-31924. An attack has to be approached locally. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Yubico pam-u2f up to 1.1.0. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability.

The weakness was shared 05/26/2021. The advisory is shared for download at yubico.com. This vulnerability is handled as CVE-2021-31924. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.1.1 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.5
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: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: pam-u2f 1.1.1

Timelineinfo

04/30/2021 🔍
05/26/2021 +26 days 🔍
05/26/2021 +0 days 🔍
05/29/2021 +3 days 🔍

Sourcesinfo

Advisory: yubico.com
Status: Confirmed

CVE: CVE-2021-31924 (🔍)
GCVE (CVE): GCVE-0-2021-31924
GCVE (VulDB): GCVE-100-175844

Entryinfo

Created: 05/26/2021 10:23
Updated: 05/29/2021 14:24
Changes: 05/26/2021 10:23 (37), 05/29/2021 14:24 (5)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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