6.3

CVE-2024-37312: nextcloud security-advisories Improper Access Control

CVSS: 6.3v3.1MediumAnalyzed
Published 14-06-2024Last modified 02-08-2024
Open JSON

Vulnerability summary

CVE-2024-37312 is a medium (CVSS 6.3) Improper Access Control vulnerability in nextcloud security-advisories. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 49.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.64%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 14-06-2024
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last modifiedVulnerability information updated.

Description

user_oidc app is an OpenID Connect user backend for Nextcloud. Missing access control on the ID4me endpoint allows an attacker to register an account eventually getting access to data that is available to all registered users. It is recommended that the OpenID Connect user backend is upgraded to 3.0.0 (Nextcloud 20-23), 4.0.0 (Nexcloud 24) or 5.0.0 (Nextcloud 25-28).

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.64%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

0.00 pp

From 0.64% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.64%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (hackerone.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Nextcloud2 products

1 vendor · 2 products

References

3 links