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Vulnerability record · CVE-2020-29312 · published 4 April 2023

CVE-2020-29312: Zend framework deserialization of untrusted data vulnerability

Zend · Zend Framework

An issue found in Zend Framework v.3.1.3 and before allow a remote attacker to execute arbitrary code via the unserialize function. Note: This has been disputed by third parties as incomplete and incorrect. The framework does not have a version that surpasses 2.x.x and was deprecated in early 2020.

9.8 CVSS 3.1 Critical EPSS 1.3% · top 31.7% CWE-502 · Deserialization of untrusted data
9.8CVSS 3.1 base score
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
9 Jul 2026Last modified by NVD

Description

An issue found in Zend Framework v.3.1.3 and before allow a remote attacker to execute arbitrary code via the unserialize function. Note: This has been disputed by third parties as incomplete and incorrect. The framework does not have a version that surpasses 2.x.x and was deprecated in early 2020.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cowtransfer.com/s/f9684f004d7149 Broken Link
https://github.com/zendframework/zendframework Product
https://cowtransfer.com/s/f9684f004d7149 Broken Link
https://github.com/zendframework/zendframework Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-29312), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.