OpenSC up to 0.21.x insert_pin return value

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 marked as problematic has been reported in OpenSC up to 0.21.x. This impacts the function insert_pin. This manipulation causes return value. This vulnerability is registered as CVE-2021-42780. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in OpenSC up to 0.21.x and classified as problematic. Affected by this vulnerability is the function insert_pin. The manipulation with an unknown input leads to a return value vulnerability. The CWE definition for the vulnerability is CWE-252. The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions. As an impact it is known to affect availability.

The weakness was published 04/18/2022. It is possible to read the advisory at bugs.chromium.org. This vulnerability is known as CVE-2021-42780 since 10/21/2021. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 213413 (Debian dla-4004 : opensc - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.22.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (213413). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Return value
CWE: CWE-252 / CWE-253
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: 213413
Nessus Name: Debian dla-4004 : opensc - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OpenSC 0.22.0
Patch: github.com

Timelineinfo

10/21/2021 🔍
04/18/2022 +179 days 🔍
04/18/2022 +0 days 🔍
11/04/2025 +1296 days 🔍

Sourcesinfo

Product: github.com

Advisory: bugs.chromium.org
Status: Confirmed

CVE: CVE-2021-42780 (🔍)
GCVE (CVE): GCVE-0-2021-42780
GCVE (VulDB): GCVE-100-197635

Entryinfo

Created: 04/18/2022 22:11
Updated: 11/04/2025 13:50
Changes: 04/18/2022 22:11 (39), 04/21/2022 14:36 (1), 12/28/2024 21:46 (16), 11/04/2025 13:50 (19)
Complete: 🔍
Cache ID: 216::103

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

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