Privilege escalation in Pulsesecure Secure Access Series Ssl Vpn Sa-4000
CVE-2018-20193
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.
Vulnerability class: Privilege Escalation
EPSS: 0.013 (67.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Pulsesecure Secure_access_series_ssl_vpn_sa-4000 — versions 4.2, 5.1r5
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (mailing-list, Exploit, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-20193?
- CVE-2018-20193 is a high-severity vulnerability in Pulsesecure Secure Access Series Ssl Vpn Sa-4000, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2018-12-21.
- How severe is CVE-2018-20193?
- High severity. CVSS v3 base score is 8.8 out of 10.