Skip to content
Fencer Vulns
high 8.8

CVE-2022-35248 json

A improper authentication vulnerability exists in Rocket.Chat <v5, <v4.8.2 and <v4.7.5 that allowed two factor authentication can be bypass…

published 2022-09-23 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-38140

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

A improper authentication vulnerability exists in Rocket.Chat <v5, <v4.8.2 and <v4.7.5 that allowed two factor authentication can be bypassed when telling the server to use CAS during login.

Patch / fix

  • rocket.chat rocket.chat 4.7.5, 4.8.2

Exploit prediction

1.40% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • hackerone.com https://hackerone.com/reports/1448268 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • n/a Rocket.Chat

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.