Auth bypass in Talelin Lin-Cms-Flask

CVE-2020-18701

Incorrect Access Control in Lin-CMS-Flask v0.1.1 allows remote attackers to obtain sensitive information and/or gain privileges due to the application not invalidating a user's authentication token upon logout, which allows for replaying packets.

Vulnerability class: Broken Access Control

EPSS: 0.023 (81.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-18701?
CVE-2020-18701 is a critical-severity vulnerability in Talelin Lin-Cms-Flask, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2021-08-16.
How severe is CVE-2020-18701?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-18701 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.