CVE-2020-29312
An issue found in Zend Framework v.3.1.3 and before allow a remote attacker to execute arbitrary...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-29312- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-29312- Updated
- 2026-11-02
EUVDEUVD-2020-21687 No score
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.
- Record
EUVD-2020-21687- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-hwgg-9h9g-m6fw
An issue found in Zend Framework v.3.1.3 and before allow a remote attacker to execute arbitrary...
An issue found in Zend Framework v.3.1.3 and before allow a remote attacker to execute arbitrary code via the unserialize function.
- Record
GHSA-hwgg-9h9g-m6fw- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-29312 is a critical vulnerability (CVSS 9.8) in Zend Framework, published April 4, 2023. Its validity is disputed. EPSS puts the chance of exploitation in the next 30 days at 1.26%, the 69th percentile.