CVE•Published 2021-03-03•3 articles on news•7 live references•NVD data
CVE-2021-26855
Vulnerability data via CVEDB (Shodan)
CVSS v3.1
9.1
CRITICAL
EPSS percentile
100
Exploit Prediction Scoring System · top 0% of all CVEs
Description
Microsoft Exchange Server Remote Code Execution Vulnerability
Timeline
Published 2021-03-03
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 tag750 hosts
vuln:CVE-2021-26855Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Microsoft Exchange Server" version:"2013"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Exchange Server"HTTP body or banner mentions "Exchange Server" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2021-26855Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-26855Censys host search filtered to this CVE id.
grep.app
CVE-2021-26855Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-26855GitHub code search for direct mentions.
Google dork
"CVE-2021-26855" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (5)
CVE-2021-268555 repos
Mr-xn/Penetration_Testing_POCHTML
渗透测试有关的POC、EXP、脚本、提权、小工具等---About penetration-testing python-script poc getshell csrf xss cms php-getshell domainmod-xss csrf-webshell cobub-razor cve rce sql sql-poc poc-exp bypas…
jekil/awesome-hackingPython
Awesome hacking is an awesome collection of hacking tools.
LearnGolang/LearnGolangunknown
《Golang学习资源大全-只有Go语言才能改变世界》Only Golang Can Change The World.
taielab/awesome-hacking-listsunknown
A curated collection of top-tier penetration testing tools and productivity utilities across multiple domains. Join us to explore, contribute, and enhance your hacking toolkit!
SexyBeast233/SecBooksHTML
安全类各家文库大乱斗