What is the CVSS score of CVE-2025-3320?

CVE-2025-3320 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Which versions of Tivoli Monitoring are affected by CVE-2025-3320?

Organizations using IBM Tivoli Monitoring 6.3.0.7 through 6.3.0.7 Service Pack 20 face notable risk from CVE-2025-3320, a heap-based buffer overflow vulnerability rated CVSS 8.1.

How to fix or mitigate CVE-2025-3320?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. If patching is delayed, consider network segmentation to limit exposure.

Tivoli Monitoring CVE-2025-3320

HIGH

Heap-based Buffer Overflow (CWE-122)

2025-08-06 psirt@us.ibm.com

Heap Overflow Buffer Overflow IBM RCE Tivoli Monitoring

8.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.1 HIGH

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:05 vuln.today

CVE Published

Aug 06, 2025 - 14:15 nvd

HIGH 8.1

DescriptionCVE.org

IBM Tivoli Monitoring 6.3.0.7 through 6.3.0.7 Service Pack 20 is vulnerable to a heap-based buffer overflow, caused by improper bounds checking. A remote attacker could overflow a buffer and execute arbitrary code on the system or cause the server to crash.

AnalysisAI

IBM Tivoli Monitoring 6.3.0.7 through 6.3.0.7 Service Pack 20 is vulnerable to a heap-based buffer overflow, caused by improper bounds checking. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-122. IBM Tivoli Monitoring 6.3.0.7 through 6.3.0.7 Service Pack 20 is vulnerable to a heap-based buffer overflow, caused by improper bounds checking. A remote attacker could overflow a buffer and execute arbitrary code on the system or cause the server to crash. Affected products include: Ibm Tivoli Monitoring. Version information: through 6.3.0.7.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.