8.8

CVE-2018-15121: auth0 aspnet Cross-Site Request Forgery (CSRF)

CVSS: 8.8v3.0HighModified
AliasesGHSA-mmhr-3jr7-qj2p
Published 29-08-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-15121 is a high (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in auth0 aspnet. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 40.5% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.0 (NVD)
EPSS score
0.49%
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. 29-08-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Auth0 auth0-aspnet and auth0-aspnet-owin. Affected packages do not use or validate the state parameter of the OAuth 2.0 and OpenID Connect protocols. This leaves applications vulnerable to CSRF attacks during authentication and authorization operations.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.49%

Chance of exploitation in the next 30 days

Percentile

41%

Versus all other CVEs

30-day change

0.00 pp

From 0.49% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.49%

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

Auth02 products
NuGet2 products
  • auth0-aspnet≤ 2.1.1
  • Auth0-ASPNET-Owin≤ 2.3.2

2 vendors · 4 products

References

4 links