What is the CVSS score of CVE-2023-40185?

CVE-2023-40185 has a CVSS 3.1 base score of 8.6 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N. EPSS exploitation probability: 0.6%.

Is there a public PoC exploit available for CVE-2023-40185?

Yes, a public proof-of-concept exploit is available for CVE-2023-40185. Prioritise patching immediately. EPSS: 0.6%.

Is there a patch available for CVE-2023-40185?

Yes, a patch is available for CVE-2023-40185. Update the affected software to the latest version immediately.

Shescape CVE-2023-40185

HIGH

Improper Neutralization of Escape, Meta, or Control Sequences (CWE-150)

2023-08-23 security-advisories@github.com

Authentication Bypass Microsoft Shescape

8.6

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.6 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Aug 23, 2023 - 21:15 nvd

HIGH 8.6

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

9 npm packages depend on shescape (9 direct, 0 indirect)

Ecosystem-wide dependent count for version 1.7.4.

DescriptionNVD

shescape is simple shell escape library for JavaScript. This may impact users that use Shescape on Windows in a threaded context. The vulnerability can result in Shescape escaping (or quoting) for the wrong shell, thus allowing attackers to bypass protections depending on the combination of expected and used shell. This bug has been patched in version 1.7.4.

AnalysisAI

shescape is simple shell escape library for JavaScript. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-150. shescape is simple shell escape library for JavaScript. This may impact users that use Shescape on Windows in a threaded context. The vulnerability can result in Shescape escaping (or quoting) for the wrong shell, thus allowing attackers to bypass protections depending on the combination of expected and used shell. This bug has been patched in version 1.7.4. Affected products include: Shescape Project Shescape. Version information: version 1.7.4..

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.