8.7

CVE-2023-49104: owncloud oauth2 Open Redirect

CVSS: 8.7v3.1HighModified
Published 21-11-2023Last modified 04-09-2024
Open JSON

Vulnerability summary

CVE-2023-49104 is a high (CVSS 8.7) Open Redirect vulnerability in owncloud oauth2. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.6% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.7/10
010
High · v3.1 (CVE.org)
EPSS score
0.56%
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. 21-11-2023
    PublishedVulnerability first disclosed.
  2. 04-09-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation, and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

0.00 pp

From 0.56% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.56%

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

Owncloud1 product

1 vendor · 1 product

References

2 links