CVE•Published 2023-04-04•Modified 2026-07-09•1 article on news•6 live references•NVD data
CVE-2020-29312Zend · Zend_framework
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
72
Exploit Prediction Scoring System · top 28% of all CVEs
Weaknesses (CWE)
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.
Timeline
Published 2023-04-04
Modified 2026-07-09
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2020-29312Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Zend Zend Framework"All exposed Zend Zend Framework instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Zend Framework"HTTP body or banner mentions "Zend Framework" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2020-29312Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2020-29312Censys host search filtered to this CVE id.
grep.app
CVE-2020-29312Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2020-29312GitHub code search for direct mentions.
Google dork
"CVE-2020-29312" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2020-29312 on GitHub.