CVE-2025-12771
IBM Concert Software Improper Restriction of Operations within the Bounds of a Memory Buffer.
HIGH
7.8
CVSS Score
Published: December 26, 2025 at 01:01 PM UTC
Updated: October 7, 2026 at 01:10 PM UTC
1 product affected across 1 vendorConcert
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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
IBM Concert 1.0.0 through 2.1.0 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.8HIGHibm
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-119
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