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CVE-2019-4271

17
FAUCET Score

CVE-2019-4271 describes a client-side HTTP parameter pollution vulnerability affecting the Admin console of IBM WebSphere Application Server versions 7.0, 8.0, 8.5, and 9.0. This vulnerability has a low CVSS score of 3.5, indicating a low attack complexity and requiring user interaction, with a potential impact limited to low integrity. There is no evidence of active exploitation, and no public exploit code or community discussion has been identified.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.5.0.0, <= 8.5.5.15CPE matchmatch criteria
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*
>= 9.0.0.0, <= 9.0.0.11CPE matchmatch criteria
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*
7.0.0.0CPE matchmatch criteria
cpe:2.3:a:ibm:websphere_application_server:7.0.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

3.5LOW

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.82%
Probability of exploitation in next 30 days
EPSS Percentile
53.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0082 is in the 92nd percentile among its peer group of 406 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.2 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/160243
VDB EntryVendor Advisory
ibm.com / support/pages/node/884040
PatchVendor Advisory