What is the CVSS score of CVE-2024-51122?

CVE-2024-51122 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.5%.

Which versions of Zertificon Z1 SecureMail Z1 CertServer are affected by CVE-2024-51122?

CVE-2024-51122 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 6.1. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

How to fix or mitigate CVE-2024-51122?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Zertificon Z1 SecureMail Z1 CertServer CVE-2024-51122

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2025-02-12 cve@mitre.org

RCE XSS

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:26 vuln.today

CVE Published

Feb 12, 2025 - 22:15 nvd

MEDIUM 6.1

DescriptionCVE.org

Cross Site Scripting vulnerability in Zertificon Z1 SecureMail Z1 CertServer v.3.16.4-2516-debian12 alllows a remote attacker to execute arbitrary code via the ST, L, O, OU, CN parameters.

AnalysisAI

Cross Site Scripting vulnerability in Zertificon Z1 SecureMail Z1 CertServer v.3.16.4-2516-debian12 alllows a remote attacker to execute arbitrary code via the ST, L, O, OU, CN parameters. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Cross Site Scripting vulnerability in Zertificon Z1 SecureMail Z1 CertServer v.3.16.4-2516-debian12 alllows a remote attacker to execute arbitrary code via the ST, L, O, OU, CN parameters.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.