How severe is CVE-2011-2531?

CVE-2011-2531 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-2531 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2531?

CVE-2011-2531 affects Prosody. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-2531?

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

When was CVE-2011-2531 published?

CVE-2011-2531 was published on 2011-06-22 and last updated on 2026-06-16.

CVE-2011-2531

CVE-2011-2531 is a medium-severity vulnerability in Prosody with a CVSS 2.0 base score of 4.3. 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Prosody
Published: 2011-06-22
Last modified: 2026-06-16

Description

Prosody 0.8.x before 0.8.1, when MySQL is used, assigns an incorrect data type to the value column in certain tables, which might allow remote attackers to cause a denial of service (data truncation) by sending a large amount of data.

Frequently asked questions

What is CVE-2011-2531?: Prosody 0.8.x before 0.8.1, when MySQL is used, assigns an incorrect data type to the value column in certain tables, which might allow remote attackers to cause a denial of service (data truncation) by sending a large amount of data.
How severe is CVE-2011-2531?: CVE-2011-2531 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-2531 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2531?: CVE-2011-2531 affects Prosody. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-2531?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-2531 published?: CVE-2011-2531 was published on 2011-06-22 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:prosody:prosody:0.8.0:*:*:*:*:*:*:*

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