IBM Jazz Team Server products are vulnerable to stored cross-site scripting.

published 2021-04-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-26167

cvss: 6.4; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits: 0; none known

IBM Jazz Team Server products are vulnerable to stored 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: 191396.

Patch / fix

links 1

ibm.com/support/pages/node/6441803 advisory

Exploit prediction

0.69% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.4	CVSS:3.0/A:N/C:L/I:L/PR:L/S:C/AC:L/AV:N/UI:N/RL:O/E:H/RC:C
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA	3.0	6.4	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

IBM Rational Engineering Lifecycle Manager
IBM Rational Quality Manager
IBM Rational Team Concert
IBM Rational Collaborative Lifecycle Management
IBM Rational DOORS Next Generation
IBM Engineering Test Management
IBM Engineering Lifecycle Optimization
IBM Engineering Workflow Management
IBM Rational Rhapsody Model Manager

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

ibm.com /support/pages/node/6441803
patch, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/191396
vdb-entry

Sources

CVE List CVE-2020-4920
NVD CVE-2020-4920

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary