Poor session management in Evolution Controller allows administrator functionality for unauthenticated connections

published 2024-04-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-26829

cvss: 8.8; 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

The Web interface of Evolution Controller Versions 2.04.560.31.03.2024 and below uses poor session management, allowing for an unauthenticated attacker to access administrator functionality if any other user is already signed in.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 2 y ago (2024-04-22)

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

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

Affected products

CS Technologies Australia Evolution Controller
cs_technologies evolution_controller

Classification

Weakness

CWE-284 Improper Access Control
CWE-1390 Weak Authentication
CWE-287 Improper Authentication

References

directcyber.com.au /sa/CVE-2024-29836-to-29844-evolution-controller-multiple-vulnerabilities.html
third-party-advisory

Sources

CVE List CVE-2024-29837
NVD CVE-2024-29837

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.

Summary