ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2025-25034

SugarCRM sugarcrm Deserialization of Untrusted Data

Published Jun 20, 2025 · catalog updated May 14, 2026 · SugarCRM SugarCRM

Patch now

CVE-2025-25034 is in the CISA known-exploited catalog. Confirm SugarCRM SugarCRM against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.3
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
4.96%
Remediation
Remediation guidance
Affected products
vendor SugarCRM SugarCRM 6.5.0 <6.5.23 · vendor SugarCRM sugarcrm

A PHP object injection vulnerability exists in SugarCRM versions prior to 6.5.24, 6.7.13, 7.5.2.5, 7.6.2.2, and 7.7.1.0 due to improper validation of PHP serialized input in the SugarRestSerialize.php script. The vulnerable code fails to sanitize the rest_data parameter before passing it to the unserialize() function. This allows an unauthenticated attacker to submit crafted serialized data containing malicious object declarations, resulting in arbitrary code execution within the application context. Although SugarCRM released a prior fix in advisory sugarcrm-sa-2016-001, the patch was incompl

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor SugarCRM SugarCRM 6.5.0 <6.5.236.5.0 <6.5.23
  • vendor SugarCRM sugarcrmversion unspecified

How to fix CVE-2025-25034

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-25034 is in the CISA known-exploited catalog. Confirm SugarCRM SugarCRM against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with SugarCRM SugarCRM 6.5.0 <6.5.23 6.5.0 <6.5.23. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 4.96%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 20, 2025 · VulnCheck KEV

    Detected

    A PHP object injection vulnerability exists in SugarCRM versions prior to 6.5.24, 6.7.13, 7.5.2.5, 7.6.2.2, and 7.7.1.0 due to improper validation of PHP serialized input in the SugarRestSerialize.php script. The vulnerable code fails to sanitize the rest_data parameter before passing it to the unserialize() function. This allows an unauthenticated attacker to submit crafted serialized data contai

  2. Jun 20, 2025 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  3. May 14, 2026 · EUVD

    Updated

    A PHP object injection vulnerability exists in SugarCRM versions prior to 6.5.24, 6.7.13, 7.5.2.5, 7.6.2.2, and 7.7.1.0 due to improper validation of PHP serialized input in the SugarRestSerialize.php script. The vulnerable code fails to sanitize the rest_data parameter before passing it to the unserialize() function. This allows an unauthenticated attacker to submit crafted serialized data contai

Sources

  • CVE.orgVulnerability recordCVE-2025-25034

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-25034

    30-day exploitation probability 5.0%

    first.org
  • EUVDVulnerability recordEUVD-2025-18782

    A PHP object injection vulnerability exists in SugarCRM versions prior to 6.5.24, 6.7.13, 7.5.2.5, 7.6.2.2, and 7.7.1.0 due to improper validation of PHP serialized input in the SugarRestSerialize.php script. The vulnerable code fails to sanitize the rest_data parameter before pa

    euvd.enisa.europa.eu
  • VulnCheck KEVConfirmed exploitationCVE-2025-25034

    A PHP object injection vulnerability exists in SugarCRM versions prior to 6.5.24, 6.7.13, 7.5.2.5, 7.6.2.2, and 7.7.1.0 due to improper validation of PHP serialized input in the SugarRestSerialize.php script. The vulnerable code fails to sanitize the rest_data parameter before pa

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.