Skip to content
Fencer Vulns
medium 5.3

CVE-2024-29296 json

Portainer CE allows username enumeration through authentication response timing

published 2024-04-10 2 y ago modified 2026-10-01 38 d ago also GHSA-87x6-8m9v-g8c2 , GO-2026-6619 , EUVD-2024-26308

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

A user enumeration vulnerability was found in Portainer CE 2.19.4. This issue occurs during user authentication process, where a difference in response time could allow a remote unauthenticated user to determine if a username is valid or not.

Patch / fix

  • go github.com/portainer/portainer 0.6.1-0.20240417040827-48bc7d0d92f0

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/ThaySolis/CVE-2024-29296 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
go github.com/portainer/portainer
<0.6.1-0.20240417040827-48bc7d0d92f0
0.6.1-0.20240417040827-48bc7d0d92f0

Affected products

  • portainer portainer

Classification

Weakness
  • CWE-286 Incorrect User Management

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.