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CVE-2011-1839

19
FAUCET Score

CVE-2011-1839 describes a vulnerability in IBM Rational Build Forge 7.1.0 where session IDs can be exposed due to the use of HTTP GET for redirection from the authentication servlet to a PHP script. This allows attackers to discover session IDs by accessing web server logs or browser history. The vulnerability has a CVSS score of 5.0 (Medium), indicating a low complexity attack with potential for partial confidentiality impact, but no integrity or availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
7.1.0CPE matchmatch criteria
cpe:2.3:a:ibm:rational_build_forge:7.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.10%
Probability of exploitation in next 30 days
EPSS Percentile
62.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0110 is in the 39th percentile among its peer group of 23,690 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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/66714
ibm.com / support/docview.wss
vupen.com / english/advisories/2011/0919
Vendor Advisory