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CVE-2021-38966

20
FAUCET Score

CVE-2021-38966 describes a cross-site scripting vulnerability in IBM Cloud Pak for Automation 21.0.2 and IBM Workflow Process Service. This flaw allows authenticated attackers to inject arbitrary JavaScript into the web UI, potentially altering functionality and leading to credential disclosure. Rated Medium with a CVSS score of 5.4, the attack requires user interaction and low privileges. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
21.0.2CPE matchmatch criteria
cpe:2.3:a:ibm:cloud_pak_for_automation:21.0.2:-:*:*:*:*:*:*
21.0.2CPE matchmatch criteria
cpe:2.3:a:ibm:workflow_process_service:21.0.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.4MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.48%
Probability of exploitation in next 30 days
EPSS Percentile
38.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0048 is in the 59th percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/212357
VDB EntryVendor Advisory
ibm.com / support/pages/node/6526488
Vendor Advisory