Multi Server
CVE-2020-13229
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V7 - Session Management Session fixation prevention
|
| Impact | CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAI
An issue was discovered in Sysax Multi Server 6.90. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified under CWE-384. An issue was discovered in Sysax Multi Server 6.90. A session can be hijacked if one observes the sid value in any /scgi URI, because it is an authentication token. Affected products include: Sysax Multi Server.
Know when Multi Server gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
An issue was discovered in Sysax Multi Server 6.90. A session can be hijacked if one observes the sid value in any /scgi URI, because it is an authentication token.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Affected Products (CPE)NVD
More in Multi Server
View allSysax Multi Server versions prior to 5.55 contains a stack-based buffer overflow in its SSH service. Rated critical seve
Stack-based buffer overflow in Sysax Multi Server before 5.52, when HTTP is enabled, allows remote authenticated users w
A denial-of-service vulnerability exists in Sysax Multi-Server version 6.10 via its SSH daemon. Rated high severity (CVS
Sysax Multi Server 6.95 crashes when the admin password field receives 800 bytes, causing denial of service. PoC availab
Sysax Multi Server 6.99 is vulnerable to a denial of service (DoS) condition when processing specially crafted SSH packe
When uploading a file in Sysax Multi Server 6.90, an authenticated user can modify the filename="" parameter in the uplo
An issue was discovered in Sysax Multi Server 6.90. Rated medium severity (CVSS 6.1), this vulnerability is remotely exp
Sysax Multi Server 6.99 is vulnerable to Cross Site Scripting (XSS) via the /scgi?sid parameter. Rated medium severity (
An issue was discovered in Sysax Multi Server 6.90. Rated medium severity (CVSS 5.3), this vulnerability is remotely exp
Exploit-DB