Privilege escalation in IBM I
CVE-2023-40377
Backup, Recovery, and Media Services (BRMS) for IBM i 7.2, 7.3, and 7.4 contains a local privilege escalation vulnerability. A malicious actor with command line access to the host operating system can elevate privileges to gain component access to the host operating system. IBM X-Force ID: 263583.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.001 (3.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- IBM I — versions 7.2, 7.4, 7.3
Weakness classification (CWE)
References
- www.ibm.com/support/pages/node/7048121 (vendor-advisory, Patch, Vendor Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/263583 (VDB Entry, vdb-entry, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-40377?
- CVE-2023-40377 is a medium-severity vulnerability in IBM I, classified under Improper Privilege Management. CVSS score: 4.9/10. Published 2023-10-16.
- How severe is CVE-2023-40377?
- Medium severity. CVSS v3 base score is 4.9 out of 10.