code-with-amitk/CentOS7_CVE-2021-3712_Remediation

PoC

Production Ready Steps for Remediating a openssl CVE(https://nvd.nist.gov/vuln/detail/cve-2021-3712) on EOL CentOS7 box

view exploit source poc_in_githubauthor code-with-amitkpublished 2026-07-09catalog poc_in_github

exploited CVEs (1)

Known CVEs related to this entry.

ID	severity	EPSS	exploitable	published
CVE-2021-3712US	high7.4	50.4% (99th)	Exploit	2021-08-24
ASN.1 strings are represented internally within OpenSSL as an ASN1_STRING structure which contains a buffer holding the string data and a field holding the buffer length. This cont…

scry

Working exploits like this target internet-facing systems. See what is exposed on your perimeter with a free passive scan.