CVE-2025-27663Public exploitNetwork attack vector

Credential exposure via unsalted hashes and Base64

Published Mar 5, 2025 · Updated Mar 5, 2025

Weak credential protection in Vasion Print before Virtual Appliance Host 22.0.843 and Application 20.0.1923 allows attackers to recover passwords. The make_user function in lib/dao/user_dao.php stores passwords as unsalted SHA-1 hashes, while authentication data is obfuscated with reversible double Base64 encoding. Access to encoded authentication data or stored hashes enables direct decoding or offline cracking, exposing credentials that can be used to compromise accounts.

CVSS severity9.8
Critical
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Weak credential protection in Vasion Print before Virtual Appliance Host 22.0.843 and Application 20.0.1923 allows attackers to recover passwords. The make_user function in lib/dao/user_dao.php stores passwords as unsalted SHA-1 hashes, while authentication data is obfuscated with reversible double Base64 encoding. Access to encoded authentication data or stored hashes enables direct decoding or offline cracking, exposing credentials that can be used to compromise accounts.

The record

CVE
CVE-2025-27663
Published
Mar 5, 2025
Updated
Mar 5, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-521, T1552
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 5, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 5, 2025Record 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 vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

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No observations available

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

Weakness, pattern, technique

CWE-521Weak Password Requirements
T1552Unsecured Credentials

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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