CVE-2008-6599: cookiecheck.php in CookieCheck 1.0 stores tmp/cc_sessions under the web root with insufficient access control,

This month

MEDIUM 5.0DOWNGRADE

CVE-2008-6599 is a medium-severity flaw (CVSS 5.0) affecting cookiecheck. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

cookiecheck.php in CookieCheck 1.0 stores tmp/cc_sessions under the web root with insufficient access control, which allows remote attackers to obtain session data via a direct request related to the "default session save path."

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-264
Published	2009-04-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: jath pala

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2009-04-03 18:30 UTCPublished CVE record published
2026-06-16 23:02 UTCUpdated Record last modified

jath pala cookiecheck DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy cookiecheck || rpm -q cookiecheck || cookiecheck --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison cookiecheck sudo apt install cookiecheck=<VERSION_BEFORE_1.0> sudo apt-mark hold cookiecheck

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list cookiecheck sudo dnf downgrade cookiecheck-<VERSION_BEFORE_1.0> sudo dnf versionlock add cookiecheck

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2008-6599?

cookiecheck: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2008-6599 being exploited?

CVE-2008-6599 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2008-6599 affect?

CVE-2008-6599 affects cookiecheck. Severity is medium (CVSS 5.0). cookiecheck.php in CookieCheck 1.0 stores tmp/cc_sessions under the web root with insufficient access control, which allows remote attackers to obtain session data via a direct request related to the "default session save path."

How urgent is CVE-2008-6599?

Priority 40/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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