What is the CVSS score of CVE-2021-23423?

CVE-2021-23423 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:H/I:N/A:N. EPSS exploitation probability: 1.1%.

Is there a public PoC exploit available for CVE-2021-23423?

Yes, a public proof-of-concept exploit is available for CVE-2021-23423. Prioritise patching immediately. EPSS: 1.1%.

Is there a patch available for CVE-2021-23423?

Yes, a patch is available for CVE-2021-23423. Update the affected software to the latest version immediately.

Bikeshed CVE-2021-23423

HIGH

Path Traversal (CWE-22)

2021-08-16 report@snyk.io

Path Traversal Bikeshed

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:H/I:N/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:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Aug 16, 2021 - 08:15 nvd

HIGH 7.5

DescriptionNVD

This affects the package bikeshed before 3.0.0. This can occur when an untrusted source file containing include, include-code or include-raw block is processed. The contents of arbitrary files could be disclosed in the HTML output.

AnalysisAI

This affects the package bikeshed before 3.0.0. 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 the package bikeshed before 3.0.0. This can occur when an untrusted source file containing include, include-code or include-raw block is processed. The contents of arbitrary files could be disclosed in the HTML output. Affected products include: Bikeshed Project Bikeshed. Version information: before 3.0.0..

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.