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CVE-2021-39014

18
FAUCET Score

CVE-2021-39014 is a stored cross-site scripting (XSS) vulnerability affecting IBM Cloud Object System version 3.15.8.97. This flaw allows authenticated attackers to inject malicious JavaScript into the web UI, potentially leading to credential disclosure within a trusted user session. Rated as Medium severity (CVSS 5.4), it requires user interaction and network access for exploitation. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.15.8.106CPE matchmatch criteria
cpe:2.3:a:ibm:cloud_object_storage_system:*:*:*:*:*:*:*:*
>= 3.16.0, < 3.16.0.47CPE matchmatch criteria
cpe:2.3:a:ibm:cloud_object_storage_system:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.1
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
29.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 43rd percentile among its peer group of 15,224 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/213650
VDB EntryVendor Advisory
ibm.com / support/pages/node/6517124
PatchVendor Advisory