CVE-2025-33101: ibm concert Heap Inspection
CVSS: 5.9v3.1MediumAnalyzed
Published 17-02-2026Last modified 06-03-2026
Vulnerability summary
CVE-2025-33101 is a medium (CVSS 5.9) Heap Inspection vulnerability in ibm concert. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 13.6% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.1 (CVE.org)EPSS score
0.24%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 17-02-2026PublishedVulnerability first disclosed.
- 06-03-2026Last modifiedVulnerability information updated.
Description
IBM Concert 1.0.0 through 2.1.0 could allow an attacker to obtain sensitive information using man in the middle techniques due to improper clearing of heap memory.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.9Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 2 agree
- NVDNIST5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
14%
Versus all other CVEs
30-day change
+0.03 pp
From 0.21% on 21-09-2026
21-09-202621-10-2026
EPSS score0.24%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ibm1 product
- concert≥ 1.0.0, ≤ 2.1.0 | ≥ 1.0.0, < 2.2.0
1 vendor · 1 product