CVE-2025-1721: ibm concert Heap Inspection
CVSS: 7.5v3.1HighAnalyzed
Published 26-12-2025Last modified 26-12-2025
Vulnerability summary
CVE-2025-1721 is a high (CVSS 7.5) Heap Inspection vulnerability in ibm concert. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 25.2% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.33%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 26-12-2025PublishedVulnerability first disclosed.
- 26-12-2025Last modifiedVulnerability information updated.
Description
IBM Concert 1.0.0 through 2.1.0 could allow a remote attacker to obtain sensitive information from allocated memory due to improper clearing of heap memory.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSources2 sources · 5.9–7.5
- CVE.orgCNA5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NDiffers
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
25%
Versus all other CVEs
30-day change
+0.01 pp
From 0.33% on 20-09-2026
20-09-202620-10-2026
EPSS score0.33%
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