How many CVEs does Zend have?

Zend has 48 published CVE records since 2006, including 2 in the last two years.

How many Zend CVEs are in CISA KEV?

None of Zend's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.

Which Zend products have the most CVEs?

The Zend products with the most published CVEs are Zend Framework, ZendTo, zendopenid, zend platform, zendrest.

What are the most common weakness types in Zend CVEs?

Zend's CVEs most often map to these CWE weakness types: CWE-134 (Use of Externally-Controlled Format String), CWE-611 (Improper Restriction of XML External Entity Reference), CWE-78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')), CWE-843 (Access of Resource Using Incompatible Type ('Type Confusion')).

Are there public exploits for Zend vulnerabilities?

Yes — 9 of Zend's CVEs have a known public exploit.

How many critical Zend vulnerabilities are there?

Zend has 15 critical and 8 high-severity CVEs.

What is the average severity of Zend CVEs?

The average CVSS base score across Zend's scored CVEs is 7.3.

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48 CVEs

Zend Vulnerabilities

Name: Zend vulnerability dataset (CVEs)
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

CVE security advisories and vulnerability history for Zend.

48

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

9

Public exploits

PoC or exploit code

7.3

Avg CVSS

2006–2025

Overview

Zend has 48 published CVE records since 2006, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 9 have a known public exploit. The average CVSS base score across scored CVEs is 7.3.

This page aggregates every publicly disclosed vulnerability (CVE) affecting Zend products, with severity breakdowns, the most-affected products, the most common weakness types, and the latest disclosures.

Security scorecard

A quick read on Zend's vulnerability posture, as a share of its 48 published CVEs.

Average CVSS: 7.3
Critical / high: 48%
Actively exploited (KEV): 0%
Public exploit available: 19%
Patch available: 63%

Severity and exploitation

How the CVSS severity of Zend's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical15

High8

Medium25

Low0

In CISA’s Known Exploited Vulnerabilities catalog

0

None of Zend's CVEs are currently listed in CISA's KEV catalog.

Public exploits

9

9 of Zend's CVEs have a known public exploit available.

Most affected products

The Zend products with the most published CVEs. Follow any product to browse its versions and vulnerabilities.

Common weakness types

The CWE weakness categories most often found in Zend CVEs. Follow any weakness for its full explanation.

CNAs that assign these CVEs

The CVE Numbering Authorities that publish Zend CVE records.

Disclosure activity by year

How many Zend CVEs were published each year.

2017

7

2018

2

2019

3

2020

6

2021

2

2023

1

2024

1

2025

2

Latest Zend CVEs

The most recently disclosed vulnerabilities affecting Zend.

Medium vulnerability · 2025-04-05
CWE-843
Medium · CVSS 4.8
EPSS 0.3%2025-04-05
Critical vulnerability · 2025-04-05
CWE-78
Critical · CVSS 10.0
EPSS 32.9%2025-04-05
Format String Injection in Zend Server
CWE-134
Critical · CVSS 9.3
EPSS 0.4%2024-10-22
Critical vulnerability · 2023-04-04
Critical · CVSS 9.8
EPSS 1.3%2023-04-04
Medium vulnerability · 2021-03-02
Medium · CVSS 6.1
EPSS 0.6%2021-03-02
Critical vulnerability · 2021-01-04
Critical · CVSS 9.8
EPSS 75.3%2021-01-04
Critical vulnerability · 2020-03-24
Critical · CVSS 9.8
EPSS 1.5%2020-03-24
High vulnerability · 2020-03-24
High · CVSS 8.8
EPSS 0.5%2020-03-24
High vulnerability · 2020-03-24
High · CVSS 7.5
EPSS 0.5%2020-03-24
Critical vulnerability · 2020-02-17
Critical · CVSS 9.8
EPSS 2.5%2020-02-17
Medium vulnerability · 2020-01-27
Medium · CVSS 6.1
EPSS 1.0%2020-01-27
Medium vulnerability · 2020-01-03
Medium · CVSS 6.1
EPSS 1.4%2020-01-03

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Frequently asked questions

Common questions about Zend vulnerabilities.

How many CVEs does Zend have?: Zend has 48 published CVE records since 2006, including 2 in the last two years.
How many Zend CVEs are in CISA KEV?: None of Zend's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Which Zend products have the most CVEs?: The Zend products with the most published CVEs are Zend Framework, ZendTo, zendopenid, zend platform, zendrest.
What are the most common weakness types in Zend CVEs?: Zend's CVEs most often map to these CWE weakness types: CWE-134 (Use of Externally-Controlled Format String), CWE-611 (Improper Restriction of XML External Entity Reference), CWE-78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')), CWE-843 (Access of Resource Using Incompatible Type ('Type Confusion')).
Are there public exploits for Zend vulnerabilities?: Yes — 9 of Zend's CVEs have a known public exploit.
How many critical Zend vulnerabilities are there?: Zend has 15 critical and 8 high-severity CVEs.
What is the average severity of Zend CVEs?: The average CVSS base score across Zend's scored CVEs is 7.3.

References

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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