CVE-2026-77102 - Vulnerability Details - OpenCVE

CommServe contained a heap-based buffer overflow issue affecting service availability. Software customers upgrade to resolved maintenance release. Update CommServe.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact partial

No data.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://documentation.commvault.com/securityadvisories/CV_2026_08_4.html

History

Tue, 08 Sep 2026 14:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-122
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 08 Sep 2026 12:30:00 +0000

Type	Values Removed	Values Added
Description		CommServe contained a heap-based buffer overflow issue affecting service availability. Software customers upgrade to resolved maintenance release. Update CommServe.
Title		CommServe Denial of Service
References		https://documentation.commvault.com/securityadvisories/CV_2026_08_4.html
Metrics		cvssV4_0 `{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Commvault

Published: 2026-09-08T12:12:54.281Z

Updated: 2026-09-08T13:25:21.705Z

Reserved: 2026-08-20T10:57:52.110Z

Link: CVE-2026-77102

Vulnrichment

Updated: 2026-09-08T13:25:17.902Z

NVD

Status : Undergoing Analysis

Published: 2026-09-08T13:17:25.987

Modified: 2026-09-08T14:17:27.483

Link: CVE-2026-77102

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-09-08T14:30:05Z

Weaknesses

CWE-122

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