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Fencer Vulns
critical 9.8

CVE-2024-36042 json

Silverpeas authentication bypass

published 2024-06-03 2 y ago modified 2026-06-17 4 mo ago also GHSA-4w54-wwc9-x62c , EUVD-2024-1920

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

Silverpeas before 6.3.5 allows authentication bypass by omitting the Password field to AuthenticationServlet, often providing an unauthenticated user with superadmin access.

Patch / fix

  • maven org.silverpeas.core:silverpeas-core 6.3.5
  • silverpeas silverpeas 6.3.5

CISA SSVC

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

Exploit prediction

0.94% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gist.github.com https://gist.github.com/ChrisPritchard/4b6d5c70d9329ef116266a6c238dcb2d referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
maven org.silverpeas.core:silverpeas-core
<6.3.5
6.3.5

Affected products

  • silverpeas silverpeas

Classification

Weakness
  • CWE-288 Authentication Bypass Using an Alternate Path or Channel

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.