CVE-2022-27652

In-container privilege gain via inherited capabilities

Published Apr 18, 2022 · Updated Aug 3, 2024

Incorrect default permissions in CRI-O before 1.24.0 allow local users to gain additional capabilities inside a launched container. CRI-O initialized container processes with a nonempty inheritable capability set, so execve(2) promoted matching file capabilities into the permitted set. Exploitation requires control of a launched image containing an executable with inheritable file capabilities, and gained privileges remain within the container's capability bounding set.

CVSS severity4.8
Medium
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Incorrect default permissions in CRI-O before 1.24.0 allow local users to gain additional capabilities inside a launched container. CRI-O initialized container processes with a nonempty inheritable capability set, so execve(2) promoted matching file capabilities into the permitted set. Exploitation requires control of a launched image containing an executable with inheritable file capabilities, and gained privileges remain within the container's capability bounding set.

The record

CVE
CVE-2022-27652
Published
Apr 18, 2022
Updated
Aug 3, 2024
Vendor
CRI-O
Product
CRI-O
Classifications
CWE-276, T1610
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 18, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Affects all versions.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

CRI-O · CRI-Oversion=Affects all versions.

Published CVSS scores

4.6NIST NVDAV:L/AC:L/Au:N/C:P/I:P/A:P
5.3NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
4.8CRI-O GitHub Security AdvisoryCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-276Incorrect Default Permissions
T1610Deploy Container

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo