IBM Concert 1.0.0 through 2.3.1 could allow a remote attacker to perform unauthorized actions using man in the middle techniques due to improper certificate validation.
CVE-2025-64649
MEDIUMPre-NVD 5.95.9—Trending — 4 sources updated this week
EchelonGraph scoreHIGH confidence
Score 5.9 from GitHub Security Advisory published 2026-08-29. a secondary CVSS source baseline 5.9; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
5.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.9Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.9
- EG Score
- 5.9(high)
- EG Risk
- 31(Track)EG Risk 31/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity59% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 12%
- KEV
- Not listed
Published
August 28, 2026
Last Modified
August 28, 2026
Advisory Details (1)
Auto-updated Aug 28, 2026Patch available.
generic Patch Available
Security Bulletin: Multiple Vulnerabilities in IBM Concert Software
https://www.ibm.com/support/pages/node/7285337Vendor Advisories for CVE-2025-64649(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 6× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-08-30 01:21 UTCEPSS rescore
- 2026-08-30 01:02 UTCEG score recompute
- 2026-08-30 01:02 UTCGHSA enrichment
- 2026-08-28 22:41 UTCEG score recompute
- 2026-08-28 22:01 UTCEG score recompute
- 2026-08-28 21:59 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-295
Frequently asked(5)
What is CVE-2025-64649?
CVE-2025-64649 is a medium vulnerability published on August 28, 2026. IBM Concert 1.0.0 through 2.3.1 could allow a remote attacker to perform unauthorized actions using man in the middle techniques due to improper certificate validation.
When was CVE-2025-64649 disclosed?
CVE-2025-64649 was first published in the National Vulnerability Database on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-64649 actively exploited?
CVE-2025-64649 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 88.1% of all scored CVEs.
What is the CVSS score of CVE-2025-64649?
CVE-2025-64649 has a CVSS v3 base score of 5.9 (NVD).
How do I remediate CVE-2025-64649?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-64649, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-64649
Is Your Infrastructure Affected by CVE-2025-64649?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.