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CVE-2009-3657

17
FAUCET Score

CVE-2009-3657 describes a session fixation vulnerability in the Shared Sign-On module (versions 5.x and 6.x) for Drupal, allowing remote attackers to hijack web sessions. With a CVSS score of 5.8, this medium-severity flaw has a network attack vector and medium complexity, potentially leading to partial compromise of confidentiality and integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
5.xCPE matchmatch criteria
cpe:2.3:a:tim_nelson:shared_sign-on:5.x:*:*:*:*:*:*:*
6.xCPE matchmatch criteria
cpe:2.3:a:tim_nelson:shared_sign-on:6.x:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.09%
Probability of exploitation in next 30 days
EPSS Percentile
61.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0109 is in the 24th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

drupal.org / node/592488
PatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/53560
securityfocus.com / bid/36563