What is the CVSS score of CVE-2021-42640?

CVE-2021-42640 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 2.1%.

Is there a public PoC exploit available for CVE-2021-42640?

Yes, a public proof-of-concept exploit is available for CVE-2021-42640. Prioritise patching immediately. EPSS: 2.1%.

Web Stack CVE-2021-42640

CRITICAL

Exposure of Resource to Wrong Sphere (CWE-668)

2022-02-02 cve@mitre.org

Information Disclosure Web Stack

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Feb 02, 2022 - 18:15 nvd

CRITICAL 9.1

DescriptionNVD

AnalysisAI

PrinterLogic Web Stack versions 19.1.1.13 SP9 and below are vulnerable to an Insecure Direct Object Reference (IDOR) vulnerability that allows an unauthenticated attacker to reassign drivers for any. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Exposure of Resource to Wrong Sphere (CWE-668), which allows attackers to access resources from an unintended security context. PrinterLogic Web Stack versions 19.1.1.13 SP9 and below are vulnerable to an Insecure Direct Object Reference (IDOR) vulnerability that allows an unauthenticated attacker to reassign drivers for any printer. Affected products include: Printerlogic Web Stack.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement proper access controls, validate resource access permissions, use security boundaries.