CVE-2025-3218 | IBM i improper certificate validation

IBM i 7.2, 7.3, 7.4, 7.5, and 7.6 is vulnerable to authentication and authorization attacks due to incorrect validation processing in IBM i Netserver. A malicious actor could use the weaknesses, in conjunction with brute force authentication attacks or to bypass authority restrictions, to access the server.

Published: 2025-05-07 Last update: 2025-07-03 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-3218 is rated Low Risk (31.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.10%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-3218

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-03 0.03% 0.10% +0.07%
2 2025-11-21 0.06% 0.03% -0.02%
3 2025-11-18 — 0.06% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-3218

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.4 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 2.5 [email protected]

Weakness enumeration for CVE-2025-3218

Affected software / configurations for CVE-2025-3218

Vendor Product Version Raw CPE
ibm i 7.2 cpe:2.3:a:ibm:i:7.2:*:*:*:*:*:*:*
ibm i 7.3 cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*
ibm i 7.4 cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*
ibm i 7.5 cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*
ibm i 7.6 cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*

References for CVE-2025-3218

cvelogic Threat Intelligence