What is the CVSS score of EUVD-2014-9820?

EUVD-2014-9820 has a contested CVSS base score of 9.8 from a third party (e.g. CISA-ADP), while the vendor rates it Critical. vuln.today uses the vendor rating as authoritative.

Which versions of Plack are affected by EUVD-2014-9820?

CVE-2014-125112 presents critical security risk rated CVSS 9.8. Successful exploitation could critically impact the confidentiality, integrity, and availability of affected systems.. A patch is available.

How to fix or mitigate EUVD-2014-9820?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Monitor vendor channels for patch availability.

Plack EUVD-2014-9820

| CVE-2014-125112 CRITICAL

Reliance on Cookies without Validation and Integrity Checking (CWE-565)

2026-03-26 CPANSec

GHSA-58qr-v987-vh6w

Deserialization RCE Plack

Critical

Disputed · 9.8 NVD

Severity by source

Sources disagree (Medium–Critical)

NVD PRIMARY

9.8 CRITICAL

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

Ubuntu

MEDIUM

qualitative

SUSE

CRITICAL

qualitative

vuln.today treats the vendor’s rating as authoritative. A higher third-party CVSS (e.g. CISA-ADP) is shown for transparency but does not drive the headline severity.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Patch released

Mar 31, 2026 - 21:13 nvd

Patch available

EUVD ID Assigned

Mar 26, 2026 - 02:30 euvd

EUVD-2014-9820

Analysis Generated

Mar 26, 2026 - 02:30 vuln.today

CVE Published

Mar 26, 2026 - 02:04 nvd

CRITICAL 9.8

DescriptionCVE.org

Plack::Middleware::Session::Cookie versions through 0.21 for Perl allows remote code execution.

Plack::Middleware::Session::Cookie versions through 0.21 has a security vulnerability where it allows an attacker to execute arbitrary code on the server during deserialization of the cookie data, when there is no secret used to sign the cookie.

AnalysisAI

Plack::Middleware::Session::Cookie versions through 0.21 for Perl allows remote code execution. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-565. Plack::Middleware::Session::Cookie versions through 0.21 for Perl allows remote code execution. Plack::Middleware::Session::Cookie versions through 0.21 has a security vulnerability where it allows an attacker to execute arbitrary code on the server during deserialization of the cookie data, when there is no secret used to sign the cookie. Affected products include: Miyagawa Plack. Version information: through 0.21.

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.