Auth bypass in Bmc Remedy Action Request System Server
CVE-2018-19505
Remedy AR System Server in BMC Remedy 7.1 may fail to set the correct user context in certain impersonation scenarios, which can allow a user to act with the identity of a different user, because userdata.js in the WOI:WorkOrderConsole component allows a username substitution involving a UserData_Init call.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.016 (74.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Bmc Remedy Action Request System Server — versions 7.1
Weakness classification (CWE)
References
- www.securitytracker.com/id/1042177 (VDB Entry, Third Party Advisory, vdb-entry)
- packetstormsecurity.com/files/150492/BMC-Remedy-7.1-User-Impersonation.html (VDB Entry, Third Party Advisory)
- seclists.org/fulldisclosure/2018/Nov/62 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-19505?
- CVE-2018-19505 is a medium-severity vulnerability in Bmc Remedy Action Request System Server, classified under Improper Authentication. CVSS score: 6.5/10. Published 2019-01-03.
- How severe is CVE-2018-19505?
- Medium severity. CVSS v3 base score is 6.5 out of 10.