What is the CVSS score of CVE-2021-20518?

CVE-2021-20518 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.5%.

Is there a patch available for CVE-2021-20518?

Yes, a patch is available for CVE-2021-20518. Update the affected software to the latest version immediately.

Engineering Lifecycle Management CVE-2021-20518

MEDIUM

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

2021-03-30 psirt@us.ibm.com

XSS IBM Engineering Lifecycle Management Rational Team Concert Rational Engineering Lifecycle Manager Engineering Workflow Management Engineering Requirements Quality Assistant On Premises Engineering Insights

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Mar 30, 2021 - 17:15 nvd

MEDIUM 5.4

DescriptionNVD

IBM Jazz Foundation Products are vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 198437.

AnalysisAI

IBM Jazz Foundation Products are vulnerable to cross-site scripting. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

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. IBM Jazz Foundation Products are vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 198437. Affected products include: Ibm Engineering Insights, Ibm Engineering Lifecycle Management, Ibm Engineering Requirements Quality Assistant On-Premises, Ibm Engineering Workflow Management, Ibm Rational Engineering Lifecycle Manager.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.