CVE•Published 2020-09-19•Modified 2026-10-08•1 article on news•5 live references•NVD data
CVE-2020-5421Vmware · Spring_framework
Vulnerability data via NVD (ingested)
CVSS v3.1
6.5
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N
EPSS percentile
96
Exploit Prediction Scoring System · top 4% of all CVEs
Description
In Spring Framework versions 5.2.0 - 5.2.8, 5.1.0 - 5.1.17, 5.0.0 - 5.0.18, 4.3.0 - 4.3.28, and older unsupported versions, the protections against RFD attacks from CVE-2015-5211 may be bypassed depending on the browser used through the use of a jsessionid path parameter.
Timeline
Published 2020-09-19
Modified 2026-10-08
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 tag106,211 hosts
vuln:CVE-2020-5421Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Vmware Spring Framework"All exposed Vmware Spring Framework instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Spring Framework"HTTP body or banner mentions "Spring Framework" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2020-5421Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2020-5421Censys host search filtered to this CVE id.
grep.app
CVE-2020-5421Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2020-5421GitHub code search for direct mentions.
Google dork
"CVE-2020-5421" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.