HIGHCVSS v3.1 7.8Actively exploited · CISA KEV since 2023-05-12Vulnerability

CVE-2021-3560

Red Hat Polkit contains an incorrect authorization vulnerability through the bypassing of credential checks for D-Bus requests, allowing for privilege escalation.

Properties

Euvd product
Polkit
Vulnerability name
Red Hat Polkit Incorrect Authorization Vulnerability
First seen
2025-10-21T23:15:46+00:00
Cvss score
7.8
Epss score
0.23708
Last seen
2026-10-19T12:00:27+00:00
Due date
2023-06-02
Euvd assigner
redhat
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2023-05-12T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2023-05-12
Score
7.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Related Entities (12)

AFFECTS_PRODUCT (8)

→[Product]cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:polkit_project:polkit:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:redhat:openshift_container_platform:4.7:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*

HAS_WEAKNESS (2)

→[Weakness]Incorrect Authorization
→[Weakness]Improper Check for Unusual or Exceptional Conditions

DESCRIBES (1)

←[KEVEntry]Red Hat Polkit Incorrect Authorization Vulnerability

INVOLVES (1)

←[Signal]kev_added · 2023-05-12

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CVE-2021-3560 (CVSS v3.1 7.8) — Ninja Signal Threat Intelligence | Ninja Signal