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CVE Record

CVE-2025-63912: Cohesity TranZman Migration Appliance Release 4.0 Build 14614 was discovered to use a weak cryptography alg...

Cohesity TranZman Migration Appliance Release 4.0 Build 14614 was discovered to use a weak cryptography algorithm for data encryption, allowing attackers to trivially reverse the encyption and expose credentials.

MediumCVSS 5.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This issue could expose credentials handled by a Cohesity TranZman Migration Appliance because encryption is described as weak and reversible. The business risk is credential disclosure, especially during migration work, rather than service outage.

Executive priority

Prioritize within normal vulnerability management, with faster action if the appliance handled privileged, backup, cloud, or migration credentials. The main urgency is preventing credential reuse after possible exposure.

Technical view

CVE-2025-63912 is a CWE-327 weak-cryptography issue in Cohesity TranZman Migration Appliance Release 4.0 Build 14614. CVSS 3.1 is 5.5 with local access and low privileges required, no user interaction, and high confidentiality impact only.

Likely exposure

Exposure appears limited to environments using Cohesity TranZman Migration Appliance Release 4.0 Build 14614. The CVE record’s affected vendor and product metadata is incomplete, so confirm deployments by asset inventory and appliance build data.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation evidence. The CVSS vector indicates an attacker needs local access and low privileges, reducing broad internet risk but making insider or compromised-account scenarios relevant.

Researcher notes

Evidence is limited to the CVE description, CVSS vector, CWE-327 classification, and researcher references. The bundle does not provide vendor-confirmed affected CPEs, patch versions, exploit-in-the-wild claims, or detailed remediation steps.

Mitigation direction

  • Identify any TranZman Migration Appliance instances and confirm their build numbers.
  • Restrict local and administrative access to migration appliances immediately.
  • Rotate credentials stored, processed, or encrypted by affected appliances.
  • Check Cohesity or project guidance for fixed builds or supported remediation.
  • Retire or isolate affected appliances if no vendor fix is available.

Validation and detection

  • Confirm whether Release 4.0 Build 14614 exists in the environment.
  • Review appliance access records for unexpected local or privileged account activity.
  • Inventory credentials handled by the migration appliance during its lifecycle.
  • Verify credential rotation completed for accounts exposed to the appliance.
  • Track vendor guidance because no patch detail is provided in the bundle.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-327: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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cve · low confidence lookup

CVE-2025-63912 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.5 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
3Timeline events
1ADP providers
3Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
5.5CVSS 3.1MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N1.83.6CISA-ADP

Vulnerability scoring details

Base CVSS 3.1 score

5.5Medium
CVSS 3.1 vector shape for CVE-2025-63912Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
cvssV3_1other:ssvc
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.