OpenSSH up to 8.7 Supplemental Group privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in OpenSSH up to 8.7. Affected by this issue is some unknown functionality of the component Supplemental Group Handler. The manipulation results in privileges management. This vulnerability is known as CVE-2021-41617. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in OpenSSH up to 8.7 (Connectivity Software). Affected is some unknown functionality of the component Supplemental Group Handler. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 09/27/2021. The advisory is shared for download at openwall.com. This vulnerability is traded as CVE-2021-41617 since 09/26/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 214473 (Debian dla-3694 : openssh-client - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 8.8 eliminates this vulnerability. The upgrade is hosted for download at openssh.com.

The vulnerability is also documented in the vulnerability database at Tenable (214473). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
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: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 214473
Nessus Name: Debian dla-3694 : openssh-client - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OpenSSH 8.8

Timelineinfo

09/26/2021 🔍
09/27/2021 +1 days 🔍
09/27/2021 +0 days 🔍
01/22/2025 +1213 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-41617 (🔍)
GCVE (CVE): GCVE-0-2021-41617
GCVE (VulDB): GCVE-100-183360

Entryinfo

Created: 09/27/2021 07:47
Updated: 01/22/2025 20:27
Changes: 09/27/2021 07:47 (40), 10/02/2021 13:43 (2), 01/22/2025 20:27 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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