How severe is CVE-2009-0364?

CVE-2009-0364 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2009-0364 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0364?

CVE-2009-0364 primarily affects Citadel Webcit. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0364?

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

When was CVE-2009-0364 published?

CVE-2009-0364 was published on 2009-03-26 and last updated on 2026-06-16.

CVE-2009-0364

CVE-2009-0364 is a high-severity vulnerability in Citadel Webcit with a CVSS 2.0 base score of 7.5. 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-134.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-134
Affected product: Citadel Webcit
Published: 2009-03-26
Last modified: 2026-06-16

Description

Format string vulnerability in the mini_calendar component in Citadel.org WebCit 7.22, and other versions before 7.39, allows remote attackers to execute arbitrary code via unspecified vectors.

Frequently asked questions

What is CVE-2009-0364?: Format string vulnerability in the mini_calendar component in Citadel.org WebCit 7.22, and other versions before 7.39, allows remote attackers to execute arbitrary code via unspecified vectors.
How severe is CVE-2009-0364?: CVE-2009-0364 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2009-0364 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0364?: CVE-2009-0364 primarily affects Citadel Webcit. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0364?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-0364 published?: CVE-2009-0364 was published on 2009-03-26 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:citadel:webcit:*:*:*:*:*:*:*:*
cpe:2.3:a:citadel:webcit:7.02:*:*:*:*:*:*:*
cpe:2.3:a:citadel:webcit:7.10:*:*:*:*:*:*:*
cpe:2.3:a:citadel:webcit:7.11:*:*:*:*:*:*:*
cpe:2.3:a:citadel:webcit:7.12:*:*:*:*:*:*:*
cpe:2.3:a:citadel:webcit:7.22:*:*:*:*:*:*:*
cpe:2.3:a:citadel:webcit:7.37:*:*:*:*:*:*:*

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