CVE-2020-18701

Name: CVE-2020-18701
Creator: NVD / NIST
Published: 2021-08-16T18:15:07.097+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.28%

Last modified Jun 17, 2026

CVE-2020-18701 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.28% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.28%

80.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Talelin	Lin-Cms-Flask	0.1.1

References

https://cwe.mitre.org/data/definitions/613.htmlThird Party Advisory
https://github.com/TaleLin/lin-cms-flask/issues/30Exploit, Third Party Advisory
https://cwe.mitre.org/data/definitions/613.htmlThird Party Advisory
https://github.com/TaleLin/lin-cms-flask/issues/30Exploit, Third Party Advisory

Timeline

Published: Aug 16, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-18701?

How severe is CVE-2020-18701?

CVE-2020-18701 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.28% probability of exploitation in the next 30 days.

How do I fix CVE-2020-18701?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-18701?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST