How severe is CVE-2009-0815?

CVE-2009-0815 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-0815 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 42% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0815?

CVE-2009-0815 primarily affects Typo3. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0815?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-0815 published?

CVE-2009-0815 was published on 2009-03-05 and last updated on 2026-06-16.

CVE-2009-0815

CVE-2009-0815 is a medium-severity vulnerability in Typo3 with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 42% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 42% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Typo3
Published: 2009-03-05
Last modified: 2026-06-16

Description

The jumpUrl mechanism in class.tslib_fe.php in TYPO3 3.3.x through 3.8.x, 4.0 before 4.0.12, 4.1 before 4.1.10, 4.2 before 4.2.6, and 4.3alpha1 leaks a hash secret (juHash) in an error message, which allows remote attackers to read arbitrary files by including the hash in a request.

Frequently asked questions

What is CVE-2009-0815?: The jumpUrl mechanism in class.tslib_fe.php in TYPO3 3.3.x through 3.8.x, 4.0 before 4.0.12, 4.1 before 4.1.10, 4.2 before 4.2.6, and 4.3alpha1 leaks a hash secret (juHash) in an error message, which allows remote attackers to read arbitrary files by including the hash in a request.
How severe is CVE-2009-0815?: CVE-2009-0815 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-0815 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 42% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0815?: CVE-2009-0815 primarily affects Typo3. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0815?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0815 published?: CVE-2009-0815 was published on 2009-03-05 and last updated on 2026-06-16.

References

Affected products (24)

cpe:2.3:a:typo3:typo3:3.3.x:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:3.5.x:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:3.6.x:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:3.7.x:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:3.8.x:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.0:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.1:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.1.2:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.1.3:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.1.4:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.1.5:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.1.6:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.1.7:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.1.8:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.1.9:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.2:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.2.0:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.2.1:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.2.2:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.2.3:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.2.4:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.2.5:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.3:alpha1:*:*:*:*:*:*

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