CVE-2024-52520

mediumpriority · track · 26EPSS 0.008 · 56 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.79% (56th) EPSS

CVSS 6.5 · medium

Is it mine?

16 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-23

Nextcloud Server is a self hosted personal cloud system. Due to a pre-flighted HEAD request, the link reference provider could be tricked into downloading bigger websites than intended, to find open-graph data. It is recommended that the Nextcloud Server is upgraded to 28.0.10 or 29.0.7 and Nextcloud Enterprise Server is upgraded to 27.1.11.8, 28.0.10 or 29.0.7.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.15.7mediumAV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.15.7mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.15.7mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:Hsecondary · security-advisories@github.comexploitability 2.1 · impact 3.6

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USCWE-400USCWE-79USCWE-79US

affected products (16)

Products and version ranges known to be affected.

Nextcloud Nextcloud Desktopall versionscert_bundDEcpe:/a:nextcloud:nextcloud:desktop
Nextcloud Nextcloud Mailall versionscert_bundDEcpe:/a:nextcloud:nextcloud:mail
Nextcloud Nextcloud Serverall versionscert_bundDEcpe:/a:nextcloud:nextcloud:server
Nextcloud Nextcloud Tablesall versionscert_bundDEcpe:/a:nextcloud:nextcloud:tables
Nextcloud Nextcloud User OIDCall versionscert_bundDEcpe:/a:nextcloud:nextcloud:user_oidc
nextcloud security-advisories28.0.0, → 28.0.10enisa_euvdEU
nextcloud security-advisories29.0.0, → 29.0.7enisa_euvdEU
Nextcloud GmbH Nextcloud Enterprise Server27.0.0 → 27.1.11.8fstec_bduRU
Nextcloud GmbH Nextcloud Enterprise Server28.0.0 → 28.0.10fstec_bduRU
Nextcloud GmbH Nextcloud Enterprise Server29.0.0 → 29.0.7fstec_bduRU
Nextcloud GmbH Nextcloud Server28.0.0 → 28.0.10fstec_bduRU
Nextcloud GmbH Nextcloud Server29.0.0 → 29.0.7fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 7.3fstec_bduRU
nextcloud nextcloud server27.0.0 → 27.1.11.8nvdUScpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
nextcloud nextcloud server28.0.0 → 28.0.10nvdUScpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
nextcloud nextcloud server29.0.0 → 29.0.7nvdUScpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-3484Nextcloud: Mehrere SchwachstellenDeutsch2024-11-17csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Nextcloud ausnutzen, um Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand zu erzeugen oder Daten zu manipulieren.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2024-11-15modified 2026-06-17

references (9)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan