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Vulnerability record · CVE-2025-63909 · published 3 March 2026

CVE-2025-63909: Cohesity tranzman improper privilege management vulnerability

Cohesity · Tranzman

Incorrect access control in the component /opt/SRLtzm/bin/TapeDumper of Cohesity TranZman Migration Appliance Release 4.0 Build 14614 allows attackers to escalate privileges to root and read and write arbitrary files.

7.8 CVSS 3.1 High EPSS 0.33% · top 76.5% CWE-269 · Improper privilege management
7.8CVSS 3.1 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

Incorrect access control in the component /opt/SRLtzm/bin/TapeDumper of Cohesity TranZman Migration Appliance Release 4.0 Build 14614 allows attackers to escalate privileges to root and read and write arbitrary files.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gist.github.com/GregDurys/d402038147e36de5908159d9722072ef ExploitThird Party Advisory
https://github.com/GregDurys/Cohesity-TranZman-CVEs Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2025-63912Cohesity tranzman broken cryptographic algorithm vulnerabilityCohesity TranZman Migration Appliance Release 4.0 Build 14614 was discovered to use a weak cryptography algorithm for data encryption, allowing attac…EPSS 0.13%7.2CVE-2025-67840Cohesity tranzman os command injection vulnerabilityMultiple authenticated OS command injection vulnerabilities exist in the Cohesity (formerly Stone Ram) TranZman 4.0 Build 14614 through TZM_175758806…EPSS 3.7%7.2CVE-2025-63910Cohesity tranzman insufficient verification of data authenticity vulnerabilityAn authenticated arbitrary file upload vulnerability in Cohesity TranZman Migration Appliance Release 4.0 Build 14614 allows attackers with Administr…EPSS 0.36%7.2CVE-2025-63911Cohesity tranzman os command injection vulnerabilityCohesity TranZman Migration Appliance Release 4.0 Build 14614 was discovered to contain an authenticated command injection vulnerability.EPSS 2.3%9.9CVE-2026-84869ScreenConnect client allows unauthorized file transfer and execution in remote sessionsA flaw in the ConnectWise ScreenConnect client lets files be transferred and executed inside an active remote session without authorization or Host c…KEVEPSS 0.92%analysed9.8CVE-2026-46817Oracle E-Business Suite Payments missing authentication allows takeoverOracle Payments in Oracle E-Business Suite 12.2.3 through 12.2.15 contains an easily exploitable flaw in the File Transmission component. An unauthen…KEVEPSS 0.81%analysed7.8CVE-2026-21533Windows Remote Desktop improper privilege management allows local elevationWindows Remote Desktop contains an improper privilege management flaw (CWE-269) that lets an authorized attacker elevate privileges locally. It affec…KEVEPSS 4.1%analysed5.1CVE-2024-8068Citrix Session Recording privilege escalation to NetworkServiceCitrix Session Recording contains an improper privilege management flaw (CWE-269) that lets an authenticated attacker escalate to the NetworkService …KEVEPSS 3.5%analysed

Source: NIST National Vulnerability Database (record CVE-2025-63909), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.