CVE-2025-63912Public exploit

Credential exposure via hardcoded XOR key

Published Mar 3, 2026 · Updated Mar 3, 2026

Weak cryptography in Cohesity TranZman Migration Appliance 4.0 Build 14614 allows attackers to expose FTP credentials and commands. The FTP service on TCP port 55555 prefixes traffic with SRLCRYPT and XORs plaintext with one hardcoded key, without an IV or integrity check. Attackers who can observe the control channel can recover credentials, filenames, and commands, while possession of the key also permits forged or replayed commands.

CVSS severity7.5
High
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Weak cryptography in Cohesity TranZman Migration Appliance 4.0 Build 14614 allows attackers to expose FTP credentials and commands. The FTP service on TCP port 55555 prefixes traffic with SRLCRYPT and XORs plaintext with one hardcoded key, without an IV or integrity check. Attackers who can observe the control channel can recover credentials, filenames, and commands, while possession of the key also permits forged or replayed commands.

The record

CVE
CVE-2025-63912
Published
Mar 3, 2026
Updated
Mar 3, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-327, T1040
Attack vector
Unavailable
Privileges
Unavailable

Timeline

How it unfolded

  1. Mar 3, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 3, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorUnavailable in this record.
Required privilegesUnavailable in this record.

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.5CISA-ADPCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
7.5NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
VectorUnavailable
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-327Use of a Broken or Risky Cryptographic Algorithm
T1040Network Sniffing

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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