How severe is CVE-2009-4971?

CVE-2009-4971 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2009-4971 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4971?

CVE-2009-4971 primarily affects Vincent Tietz Vjchat. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4971?

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-2009-4971 published?

CVE-2009-4971 was published on 2010-07-28 and last updated on 2026-06-16.

CVE-2009-4971

CVE-2009-4971 is a high-severity vulnerability in Vincent Tietz Vjchat 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-89.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Vincent Tietz Vjchat
Published: 2010-07-28
Last modified: 2026-06-16

Description

SQL injection vulnerability in the AJAX Chat (vjchat) extension before 0.3.3 for TYPO3 allows remote attackers to execute arbitrary SQL commands via unspecified vectors.

Frequently asked questions

What is CVE-2009-4971?: SQL injection vulnerability in the AJAX Chat (vjchat) extension before 0.3.3 for TYPO3 allows remote attackers to execute arbitrary SQL commands via unspecified vectors.
How severe is CVE-2009-4971?: CVE-2009-4971 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2009-4971 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4971?: CVE-2009-4971 primarily affects Vincent Tietz Vjchat. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4971?: 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-2009-4971 published?: CVE-2009-4971 was published on 2010-07-28 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:vincent_tietz:vjchat:*:*:*:*:*:*:*:*
cpe:2.3:a:vincent_tietz:vjchat:0.2.6:*:*:*:*:*:*:*
cpe:2.3:a:vincent_tietz:vjchat:0.2.7:*:*:*:*:*:*:*
cpe:2.3:a:vincent_tietz:vjchat:0.3.0:*:*:*:*:*:*:*
cpe:2.3:a:vincent_tietz:vjchat:0.3.1:*:*:*:*:*:*:*

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