CVE-2020-11729

Name: CVE-2020-11729
Creator: NVD / NIST
Published: 2020-04-15T16:15:16.707+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.88%

Last modified Jun 17, 2026

CVE-2020-11729 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Long-term session cookies, uses to provide long-term session continuity, are not generated securely, enabling a brute-force attack that may be successful.. EPSS estimates a 1.88% chance of exploitation in the next 30 days.

Description

An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Long-term session cookies, uses to provide long-term session continuity, are not generated securely, enabling a brute-force attack that may be successful.

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

1.88%

76.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-384

Affected Software

Vendor	Product	Versions
Davical	Andrew\'S Web Libraries	<= 0.60
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=956650Mailing List, Third Party Advisory
https://gitlab.com/davical-project/awl/-/issues/18Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/04/msg00011.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2020/dsa-4660Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=956650Mailing List, Third Party Advisory
https://gitlab.com/davical-project/awl/-/issues/18Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/04/msg00011.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2020/dsa-4660Third Party Advisory

Timeline

Published: Apr 15, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11729?

How severe is CVE-2020-11729?

CVE-2020-11729 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.88% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11729?

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-2020-11729?

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

Scan your code now

Source: NVD / NIST