CVE•Published 2020-06-05•Modified 2026-10-14•1 article on news•5 live references•NVD data
CVE-2020-10543Perl · Perl
Vulnerability data via NVD (ingested)
CVSS v3.1
8.2
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
EPSS percentile
96
Exploit Prediction Scoring System · top 4% of all CVEs
Weaknesses (CWE)
Description
Perl before 5.30.3 on 32-bit platforms allows a heap-based buffer overflow because nested regular expression quantifiers have an integer overflow.
Timeline
Published 2020-06-05
Modified 2026-10-14
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-2020-10543Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Perl Perl"All exposed Perl Perl instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Perl"HTTP body or banner mentions "Perl" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2020-10543Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2020-10543Censys host search filtered to this CVE id.
grep.app
CVE-2020-10543Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2020-10543GitHub code search for direct mentions.
Google dork
"CVE-2020-10543" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (5)
CVE-2020-105435 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…
Threekiii/Awesome-POCJava
一个漏洞 PoC 知识库。A knowledge base for vulnerability PoCs(Proof of Concept), with 1k+ vulnerabilities.
SexyBeast233/SecBooksHTML
安全类各家文库大乱斗
Awrrays/FrameVulunknown
POC集合，框架nday漏洞利用
peiqiF4ck/WebFrameworkTools-5.5-enhanceC#
本软件首先集成危害性较大框架和部分主流cms的rce(无需登录,或者登录绕过执行rce)和反序列化(利用链简单)。傻瓜式导入url即可实现批量getshell。批量自动化测试。例如:Thinkphp,Struts2,weblogic。出现的最新漏洞进行实时跟踪并且更新例如:log4jRCE,向日葵 禅道RCE 瑞友天翼应用虚拟化系统sql注入导致RCE大华智…