How severe is CVE-2024-40400?

CVE-2024-40400 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-40400 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-40400?

CVE-2024-40400 primarily affects Automad. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-40400?

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.

Does CVE-2024-40400 have an EU (EUVD) identifier?

Yes. CVE-2024-40400 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2244.

When was CVE-2024-40400 published?

CVE-2024-40400 was published on 2024-07-19 and last updated on 2026-06-17.

CVE-2024-40400

CVE-2024-40400 is a high-severity vulnerability in Automad with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-2244
Weakness: CWE-434
Affected product: Automad
Published: 2024-07-19
Last modified: 2026-06-17

Description

An arbitrary file upload vulnerability in the image upload function of Automad v2.0.0 allows attackers to execute arbitrary code via a crafted file.

Frequently asked questions

What is CVE-2024-40400?: An arbitrary file upload vulnerability in the image upload function of Automad v2.0.0 allows attackers to execute arbitrary code via a crafted file.
How severe is CVE-2024-40400?: CVE-2024-40400 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-40400 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-40400?: CVE-2024-40400 primarily affects Automad. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-40400?: 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.
Does CVE-2024-40400 have an EU (EUVD) identifier?: Yes. CVE-2024-40400 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2244.
When was CVE-2024-40400 published?: CVE-2024-40400 was published on 2024-07-19 and last updated on 2026-06-17.

References

https://github.com/marcantondahmen/automad/issues/106

Affected products (5)

cpe:2.3:a:automad:automad:*:*:*:*:*:*:*:*
cpe:2.3:a:automad:automad:2.0.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:automad:automad:2.0.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:automad:automad:2.0.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:automad:automad:2.0.0:alpha4:*:*:*:*:*:*

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