Privilege escalation in IBM I
CVE-2019-4536
IBM i 7.4 users who have done a Restore User Profile (RSTUSRPRF) on a system which has been configured with Db2 Mirror for i might have user profiles with elevated privileges caused by incorrect processing during a restore of multiple user profiles. A user with restore privileges could exploit this vulnerability to obtain elevated privileges on the restored system. IBM X-Force ID: 165592.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (18.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- IBM I — versions 7.4
Weakness classification (CWE)
References
- www.ibm.com/support/docview.wss (Patch, Vendor Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/165592 (VDB Entry, vdb-entry, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-4536?
- CVE-2019-4536 is a medium-severity vulnerability in IBM I, classified under Improper Privilege Management. CVSS score: 6.3/10. Published 2019-08-29.
- How severe is CVE-2019-4536?
- Medium severity. CVSS v3 base score is 6.3 out of 10.