CVE-2021-41773Vulnerability
Apache HTTP Server Path Traversal Vulnerability
Reported by 2 independent sources · first reported by GreyNoise · last reported
Last reported 2 days ago
Fix due 17 Nov 2021
Used by ransomware: knownCISA KEV catalogue
higher than 99% of CVEsFIRST EPSS, as of 14 Oct 2026
What the reports say
2 reports, newest first · the exact sentence from each-
ThreatsDay: AI Secrets Leak, PingCAP Source Theft, Signal Hang-Up Flaw, Laravel Auth Bypass + 21 More“…Check said it observed attempts against five vulnerabilities -- PHPUnit (CVE-2017-9841), XWiki (CVE-2025-24893), Apache HTTP Server (CVE-2021-41773), PHP-CGI (CVE-2024-4577), and ThinkPHP (CVE-2022-47945) -- from 119.13.79.145 (Hong Kong), 211.20.144.116 (Taiwan), and 210.242.76.…”
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U.S. and UK Warn of Russian Cyber Threats: 9 of 12 GreyNoise-Tracked Vulnerabilities in the Advisory Are Being Probed Right Now“CVE-2021-41773 — Apache HTTP Server Path Traversal”
Indicators reported together
named in the same reports- 119.13.79[.]145in 1 report
- 210.242.76[.]32in 1 report
- 211.20.144[.]116in 1 report
Copy these 3 indicators · defanged
Also named with it: CVE-2024-4577, CVE-2023-20198, CVE-2023-4966, CVE-2024-40766, CVE-2023-27532, CVE-2018-13379, CVE-2022-47945, CVE-2020-3259, CVE-2023-42793, CVE-2023-29357, CVE-2021-27850, CVE-2021-42013, CVE-2023-35078, CVE-2026-107186, CVE-2026-107187, CVE-2026-107188, CVE-2023-20269
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