How severe is CVE-2024-43426?

CVE-2024-43426 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-43426 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-43426?

CVE-2024-43426 affects Moodle. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-43426?

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-2024-43426 have an EU (EUVD) identifier?

Yes. CVE-2024-43426 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3318.

When was CVE-2024-43426 published?

CVE-2024-43426 was published on 2024-11-07 and last updated on 2026-06-17.

CVE-2024-43426

CVE-2024-43426 is a high-severity vulnerability in Moodle with a CVSS 3.x 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-1287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-3318
Weakness: CWE-1287
Affected product: Moodle
Published: 2024-11-07
Last modified: 2026-06-17

Description

A flaw was found in pdfTeX. Insufficient sanitizing in the TeX notation filter resulted in an arbitrary file read risk on sites where pdfTeX is available, such as those with TeX Live installed.

Frequently asked questions

What is CVE-2024-43426?: A flaw was found in pdfTeX. Insufficient sanitizing in the TeX notation filter resulted in an arbitrary file read risk on sites where pdfTeX is available, such as those with TeX Live installed.
How severe is CVE-2024-43426?: CVE-2024-43426 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-43426 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-43426?: CVE-2024-43426 affects Moodle. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-43426?: 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-2024-43426 have an EU (EUVD) identifier?: Yes. CVE-2024-43426 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3318.
When was CVE-2024-43426 published?: CVE-2024-43426 was published on 2024-11-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

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