CVE-2023-40377 json
IBM i privilege escalation
published 2023-10-16 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-44948
- cvss
- 4.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 4%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- ibm.com/support/pages/node/7048121 advisory
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.9 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- IBM i
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
References
-
ibm.com
/support/pages/node/7048121
vendor-advisory, patch
-
exchange.xforce.ibmcloud.com
/vulnerabilities/263583
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2023-40377
- NVD CVE-2023-40377
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.