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Fencer Intel
high 7.5

CVE-2020-36829 json

The Mojolicious module before 8.65 for Perl is vulnerable to secure_compare timing attacks that allow an attacker to guess the length of a…

published 2y ago modified 4mo ago also EUVD-2020-24270

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

The Mojolicious module before 8.65 for Perl is vulnerable to secure_compare timing attacks that allow an attacker to guess the length of a secret string. Only versions after 1.74 are affected.

Patch / fix

  • mojolicious mojolicious 8.65
  • libmojolicious-perl Debian 14, Debian 13, Debian 12 8.65+dfsg-1

debian advisories DEBIAN-CVE-2020-36829

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
2y ago

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • mojolicious mojolicious

References

Sources

Fencer Intel 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.