What is the CVSS score of CVE-2021-30465?

CVE-2021-30465 has a CVSS 3.1 base score of 8.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 6.6%.

Is there a patch available for CVE-2021-30465?

Yes, a patch is available for CVE-2021-30465. Update the affected software to the latest version immediately.

Runc CVE-2021-30465

HIGH

Race Condition (CWE-362)

2021-05-27 cve@mitre.org

Microsoft Path Traversal Race Condition Runc Fedora

8.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.5 HIGH

AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 27, 2021 - 13:15 nvd

HIGH 8.5

DescriptionNVD

runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. To exploit the vulnerability, an attacker must be able to create multiple containers with a fairly specific mount configuration. The problem occurs via a symlink-exchange attack that relies on a race condition.

AnalysisAI

runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. Rated high severity (CVSS 8.5), this vulnerability is remotely exploitable.

Technical ContextAI

This vulnerability is classified under CWE-362. runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. To exploit the vulnerability, an attacker must be able to create multiple containers with a fairly specific mount configuration. The problem occurs via a symlink-exchange attack that relies on a race condition. Affected products include: Linuxfoundation Runc, Fedoraproject Fedora. Version information: before 1.0.0.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.