CVE-2008-6522: Multiple directory traversal vulnerabilities in the RenderFile function in ContentRender.class.php in Terracot

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MEDIUM 6.8DOWNGRADE

CVE-2008-6522 is a medium-severity flaw (CVSS 6.8) affecting openterracotta. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple directory traversal vulnerabilities in the RenderFile function in ContentRender.class.php in Terracotta (aka OpenTerracotta) 0.6.1, and possibly other versions, allow remote attackers to list arbitrary directories and read arbitrary files via a .. (dot dot) in the (1) CurrentDirectory and (2) File parameters to index.php.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	1.9% (top 20%)
CISA exploited list	No
Weakness	CWE-22
Published	2009-03-25
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: devraj mukherjee

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

Am I affected?

Timeline

2009-03-25 18:30 UTCPublished CVE record published
2026-06-16 23:02 UTCUpdated Record last modified

devraj mukherjee openterracotta DOWNGRADE

Affected: 0.6.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.6.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.6.1 (Debian / Ubuntu)

apt-cache madison openterracotta sudo apt install openterracotta=<VERSION_BEFORE_0.6.1> sudo apt-mark hold openterracotta

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

dnf --showduplicates list openterracotta sudo dnf downgrade openterracotta-<VERSION_BEFORE_0.6.1> sudo dnf versionlock add openterracotta

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Terracotta - 'index.php' Local File Inclusion

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-2008-6522?

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

Is CVE-2008-6522 being exploited?

CVE-2008-6522 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-2008-6522 affect?

CVE-2008-6522 affects openterracotta. Severity is medium (CVSS 6.8). Multiple directory traversal vulnerabilities in the RenderFile function in ContentRender.class.php in Terracotta (aka OpenTerracotta) 0.6.1, and possibly other versions, allow remote attackers to list arbitrary directories and read arbitrar

How urgent is CVE-2008-6522?

Priority 49/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2008-6521 HIGH 7.8 DOWNGRADE index.php in Terracotta (aka OpenTerracotta) 0.6.1 allows remote attackers to obtain sensitive information via

References

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