CVE-2017-20238 Hirschmann Industrial HiVision Improper Authorization Privilege Escalation
Read-only users can gain write access to managed devices via alternative interfaces, allowing unauthorized configuration changes in Hirschmann Industrial HiVision.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-20238?
CVE-2017-20238 is a high-severity vulnerability in Belden Hirschmann Industrial HiVision, published on 3 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Hirschmann Industrial HiVision versions 06.0.00 and 07.0.00 prior to 06.0.06 and 07.0.01 contains an improper authorization vulnerability that allows read-only users to gain write access to managed devices by bypassing access control mechanisms. Attackers can exploit alternative interfaces such as the web interface or SNMP browser to modify device configurations despite having restricted permissions.
Weakness: CWE-285
Which versions are affected by CVE-2017-20238?
How do I fix CVE-2017-20238?
No fix has been published for CVE-2017-20238 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-20238 being exploited?
There is no known exploitation of CVE-2017-20238 in the wild and no public exploit code.
Sources
Also known as GHSA-j2fr-26h3-2878.