What is the CVSS score of CVE-2021-28963?

CVE-2021-28963 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 1.3%.

Is there a patch available for CVE-2021-28963?

Yes, a patch is available for CVE-2021-28963. Update the affected software to the latest version immediately.

Service Provider CVE-2021-28963

MEDIUM

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2021-03-22 cve@mitre.org

Code Injection Service Provider Debian Linux

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Mar 22, 2021 - 08:15 nvd

MEDIUM 5.3

DescriptionNVD

Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.

AnalysisAI

Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-74. Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters. Affected products include: Shibboleth Service Provider, Debian Debian Linux. Version information: before 3.2.1.

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.