What is the CVSS score of CVE-2020-7669?

CVE-2020-7669 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 1.8%.

Is there a public PoC exploit available for CVE-2020-7669?

Yes, a public proof-of-concept exploit is available for CVE-2020-7669. Prioritise patching immediately. EPSS: 1.8%.

Is there a patch available for CVE-2020-7669?

Yes, a patch is available for CVE-2020-7669. Update the affected software to the latest version immediately.

U Root CVE-2020-7669

HIGH

Path Traversal (CWE-22)

2020-09-01 report@snyk.io

Path Traversal U Root

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Sep 01, 2020 - 14:15 nvd

HIGH 7.5

DescriptionNVD

This affects all versions of package github.com/u-root/u-root/pkg/tarutil. It is vulnerable to both leading and non-leading relative path traversal attacks in tar file extraction.

AnalysisAI

This affects all versions of package github.com/u-root/u-root/pkg/tarutil. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. This affects all versions of package github.com/u-root/u-root/pkg/tarutil. It is vulnerable to both leading and non-leading relative path traversal attacks in tar file extraction. Affected products include: U-Root.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.