CVE-2009-10007: Session Fixation (CVSS 9.1)

Description

Catalyst::Plugin::Authentication versions before 0.10_027 for Perl is susceptible to session fixation attacks. Catalyst::Plugin::Authentication does not automatically change the session id after authentication. An attacker that obtains a session id cookie can use this to impersonate the victim.

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CVSS v3.1 Score

9.1

CRITICAL

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

EPSS — Exploit Prediction

0.0037

Probability of exploitation

0.29%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-384 CWE-384

References

Other References

https://github.com/perl-catalyst/Catalyst-Plugin-Authentication/commit/b1385ea87a2491b64f33169222af19982d0acce3.patch https://metacpan.org/pod/Catalyst::Plugin::Session#change_session_id https://metacpan.org/pod/Plack::Middleware::Session#change_id https://metacpan.org/release/ETHER/Catalyst-Plugin-Authentication-0.10_027/changes http://www.openwall.com/lists/oss-security/2026/06/09/10

Frequently Asked Questions

What is CVE-2009-10007? +

Catalyst::Plugin::Authentication versions before 0.10_027 for Perl is susceptible to session fixation attacks. Catalyst::Plugin::Authentication does not automatically change the session id after authentication. An attacker that obtains a session id cookie can use this to impersonate the victim. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2009-10007? +

CVE-2009-10007 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0037, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2009-10007? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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