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Unsafe deserialization in SmtpTransport in CakePHP

High severity GitHub Reviewed Published Dec 2, 2019 to the GitHub Advisory Database • Updated May 29, 2025

Package

composer cakephp/cakephp (Composer)

Affected versions

>= 3.0.0, < 3.5.18
>= 3.6.0, < 3.6.15
>= 3.7.0, < 3.7.7

Patched versions

3.5.18
3.6.15
3.7.7

Description

An issue was discovered in SmtpTransport in CakePHP 3.7.6. An unserialized object with modified internal properties can trigger arbitrary file overwriting upon destruction.

References

Published by the National Vulnerability Database May 8, 2019
Reviewed Dec 2, 2019
Published to the GitHub Advisory Database Dec 2, 2019
Last updated May 29, 2025

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(67th percentile)

Weaknesses

CVE ID

CVE-2019-11458

GHSA ID

GHSA-qhrx-hcm6-pmrw

Source code

Credits

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