How severe is CVE-2024-52508?

CVE-2024-52508 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2024-52508 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-52508?

CVE-2024-52508 affects Nextcloud Mail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-52508?

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-2024-52508 have an EU (EUVD) identifier?

Yes. CVE-2024-52508 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-45922.

When was CVE-2024-52508 published?

CVE-2024-52508 was published on 2024-11-15 and last updated on 2026-06-17.

CVE-2024-52508

CVE-2024-52508 is a high-severity vulnerability in Nextcloud Mail with a CVSS 3.x base score of 8.2. 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-200.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-45922
Weakness: CWE-200
Affected product: Nextcloud Mail
Published: 2024-11-15
Last modified: 2026-06-17

Description

Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. When a user is trying to set up a mail account with an email address like [email protected] that does not support auto configuration, and an attacker managed to register autoconfig.tld, the used email details would be send to the server of the attacker. It is recommended that the Nextcloud Mail app is upgraded to 1.14.6, 1.15.4, 2.2.11, 3.6.3, 3.7.7 or 4.0.0.

Frequently asked questions

What is CVE-2024-52508?: Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. When a user is trying to set up a mail account with an email address like [email protected] that does not support auto configuration, and an attacker managed to register autoconfig.tld, the used email details would be send to the server of the attacker. It is recommended that the Nextcloud Mail app is upgraded to 1.14.6, 1.15.4, 2.2.11, 3.6.3, 3.7.7 or 4.0.0.
How severe is CVE-2024-52508?: CVE-2024-52508 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2024-52508 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-52508?: CVE-2024-52508 affects Nextcloud Mail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-52508?: 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-2024-52508 have an EU (EUVD) identifier?: Yes. CVE-2024-52508 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-45922.
When was CVE-2024-52508 published?: CVE-2024-52508 was published on 2024-11-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nextcloud:mail:*:*:*:*:*:nextcloud:*:*

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