Auth bypass in Stalker Communigate Pro
CVE-2018-3815
The "XML Interface to Messaging, Scheduling, and Signaling" (XIMSS) protocol implementation in CommuniGate Pro (CGP) 6.2 suffers from a Missing XIMSS Protocol Validation attack that leads to an email spoofing attack, allowing a malicious authenticated attacker to send a message from any source email address. The attack uses an HTTP POST request to a /Session URI, and interchanges the XML From and To elements.
Vulnerability class: Broken Authentication
EPSS: 0.009 (55.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N.
Affected products
- Stalker Communigate_pro — versions 6.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-3815?
- CVE-2018-3815 is a medium-severity vulnerability in Stalker Communigate Pro, classified under Improper Authentication. CVSS score: 5.7/10. Published 2018-01-08.
- How severe is CVE-2018-3815?
- Medium severity. CVSS v3 base score is 5.7 out of 10.
- Is CVE-2018-3815 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.