How severe is CVE-2009-0258?

CVE-2009-0258 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2009-0258 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0258?

CVE-2009-0258 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-2009-0258?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2009-0258 published?

CVE-2009-0258 was published on 2009-01-22 and last updated on 2026-06-16.

CVE-2009-0258

CVE-2009-0258 is a critical-severity vulnerability in Typo3 with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Typo3
Published: 2009-01-22
Last modified: 2026-06-16

Description

The Indexed Search Engine (indexed_search) system extension in TYPO3 4.0.0 through 4.0.9, 4.1.0 through 4.1.7, and 4.2.0 through 4.2.3 allows remote attackers to execute arbitrary commands via a crafted filename containing shell metacharacters, which is not properly handled by the command-line indexer.

Frequently asked questions

What is CVE-2009-0258?: The Indexed Search Engine (indexed_search) system extension in TYPO3 4.0.0 through 4.0.9, 4.1.0 through 4.1.7, and 4.2.0 through 4.2.3 allows remote attackers to execute arbitrary commands via a crafted filename containing shell metacharacters, which is not properly handled by the command-line indexer.
How severe is CVE-2009-0258?: CVE-2009-0258 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2009-0258 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0258?: CVE-2009-0258 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-2009-0258?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-0258 published?: CVE-2009-0258 was published on 2009-01-22 and last updated on 2026-06-16.

References

Affected products (24)

cpe:2.3:a:typo3:typo3:4.0:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.0.4:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.0.5:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.0.6:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.0.7:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.0.8:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.0.9:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.1.0:beta1:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.1.0:rc1:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:4.1.1:*:*:*:*:*:*:*
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:typo3:4.2.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

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