polkit D-Bus Request authorization

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in polkit and classified as critical. This issue affects some unknown processing of the component D-Bus Request Handler. Such manipulation leads to authorization. This vulnerability is traded as CVE-2021-3560. The attack may be launched remotely. Furthermore, there is an exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in polkit (the affected version is unknown). It has been rated as critical. Affected by this issue is an unknown code of the component D-Bus Request Handler. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. Impacted is confidentiality, integrity, and availability.

The weakness was shared 02/17/2022. The advisory is available at bugzilla.redhat.com. This vulnerability is handled as CVE-2021-3560 since 05/20/2021. Technical details are unknown but a public exploit is available.

The exploit is available at packetstormsecurity.com. It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 236621 (Alibaba Cloud Linux 3 : 0035: polkit (ALINUX3-SA-2021:0035)), which helps to determine the existence of the flaw in a target environment. This issue was added on 05/12/2023 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 06/02/2023:

Apply updates per vendor instructions.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (50011) and Tenable (236621). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA 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: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236621
Nessus Name: Alibaba Cloud Linux 3 : 0035: polkit (ALINUX3-SA-2021:0035)

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/20/2021 🔍
02/17/2022 +273 days 🔍
02/17/2022 +0 days 🔍
05/20/2025 +1188 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2021-3560 (🔍)
GCVE (CVE): GCVE-0-2021-3560
GCVE (VulDB): GCVE-100-193274
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/17/2022 08:20
Updated: 05/20/2025 06:55
Changes: 02/17/2022 08:20 (35), 02/19/2022 10:56 (1), 04/28/2024 16:49 (27), 06/14/2024 13:38 (2), 06/28/2024 02:28 (19), 09/19/2024 18:36 (1), 09/28/2024 14:50 (1), 01/30/2025 03:58 (11), 05/20/2025 06:55 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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