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Fencer Vulns
critical 9.8

CVE-2020-11729 json

An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60.

published 2020-04-15 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-4071

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

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.

Patch / fix

  • awl Debian 14, Debian 13, Debian 12 0.61-1

debian advisories DEBIAN-CVE-2020-11729

  • awl Ubuntu 20.04 LTS 0.60-1+deb10u1ubuntu1

ubuntu advisories UBUNTU-CVE-2020-11729

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Exploit prediction

2.16% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gitlab.com https://gitlab.com/davical-project/awl/-/issues/18 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.