5.7

CVE-2024-52509: nextcloud mail Improper Access Control

CVSS: 5.7v3.1MediumAnalyzed
Published 15-11-2024Last modified 15-11-2024
Open JSON

Vulnerability summary

CVE-2024-52509 is a medium (CVSS 5.7) Improper Access Control vulnerability in nextcloud mail. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 42.1% of scored vulnerabilities.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
5.7/10
010
Medium · v3.1 (NVD)
EPSS score
0.51%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-11-2024
    PublishedVulnerability first disclosed.
  2. 15-11-2024
    Last modifiedVulnerability information updated.

Description

Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. The Nextcloud mail app incorrectly allowed attaching shared files without download permissions as attachments. This allowed users to send them the files to themselves and then downloading it from their mail clients. It is recommended that the Nextcloud Mail is upgraded to 2.2.10, 3.6.2 or 3.7.2.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.51%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

0.00 pp

From 0.51% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.51%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Nextcloud2 products
  • mail≥ 2.2.0, < 2.2.10 | ≥ 3.6.0, < 3.6.2 | ≥ 3.7.0, < 3.7.2
  • security-advisories≥ 2.2.0, < 2.2.10 | ≥ 3.6.0, < 3.6.2 | ≥ 3.7.0, < 3.7.2

1 vendor · 2 products

References

4 links