How severe is CVE-2024-22393?

CVE-2024-22393 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2024-22393 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-22393?

CVE-2024-22393 affects Apache Answer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-22393?

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.

Does CVE-2024-22393 have an EU (EUVD) identifier?

Yes. CVE-2024-22393 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0720.

When was CVE-2024-22393 published?

CVE-2024-22393 was published on 2024-02-22 and last updated on 2026-06-17.

CVE-2024-22393

CVE-2024-22393 is a critical-severity vulnerability in Apache Answer with a CVSS 3.x base score of 9.1. 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 2% (84th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0720
Weakness: CWE-434
Affected product: Apache Answer
Published: 2024-02-22
Last modified: 2026-06-17

Description

Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer.This issue affects Apache Answer: through 1.2.1. Pixel Flood Attack by uploading large pixel files will cause server out of memory. A logged-in user can cause such an attack by uploading an image when posting content. Users are recommended to upgrade to version [1.2.5], which fixes the issue.

Frequently asked questions

What is CVE-2024-22393?: Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer.This issue affects Apache Answer: through 1.2.1. Pixel Flood Attack by uploading large pixel files will cause server out of memory. A logged-in user can cause such an attack by uploading an image when posting content. Users are recommended to upgrade to version [1.2.5], which fixes the issue.
How severe is CVE-2024-22393?: CVE-2024-22393 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2024-22393 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-22393?: CVE-2024-22393 affects Apache Answer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-22393?: 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.
Does CVE-2024-22393 have an EU (EUVD) identifier?: Yes. CVE-2024-22393 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0720.
When was CVE-2024-22393 published?: CVE-2024-22393 was published on 2024-02-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:answer:*:*:*:*:*:*:*:*

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