CVE-2018-20193 Privilege escalation in n/a
A readonly user can escalate privileges to administrator by modifying a local copy of the user update page, allowing full system control.
- 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-2018-20193?
CVE-2018-20193 is a high-severity vulnerability in n/a, published on 21 Dec 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Certain Secure Access SA Series SSL VPN products (originally developed by Juniper Networks but now sold and supported by Pulse Secure, LLC) allow privilege escalation, as demonstrated by Secure Access SSL VPN SA-4000 5.1R5 (build 9627) 4.2 Release (build 7631). This occurs because appropriate controls are not performed. Specifically, it is possible for a readonly user to change the administrator user password by making a local copy of the /dana-admin/user/update.cgi page, changing the "user" value, and saving the changes.
Weakness: CWE-269
Which versions are affected by CVE-2018-20193?
It affects 1 product.
Products include Pulsesecure Secure Access Series Ssl Vpn Sa-4000.
How do I fix CVE-2018-20193?
No fix has been published for CVE-2018-20193 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-20193 being exploited?
There is no known exploitation of CVE-2018-20193 in the wild and no public exploit code.
Sources
Also known as GHSA-ch39-vq4q-cxxx.