CVE-2020-1938Vulnerability
Apache Tomcat Improper Privilege Management Vulnerability
Reported by 3 independent sources · first reported by SOCRadar · last reported
Last reported 12 days ago
Fix due 17 Mar 2022
Used by ransomware: not knownCISA KEV catalogue
higher than 99% of CVEsFIRST EPSS, as of 17 Oct 2026
What the reports say
3 reports, newest first · the exact sentence from each-
September 2026 CVE Landscape“CVE-2020-1938”
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CyberXero Uses Claude Code in Campaign That Stole Over 628,000 Ukrainian Records“…eploying tools like GodPotato, Kerberoast, AS-REProast, Evil-WinRM, and exploits like CVE-2021-4034 (aka PwnKit), CVE-2024-1086, and CVE-2020-1938 (aka Ghostcat) for privilege escalation, followed by lateral movement to adjacent systems.”
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Operation Master: Deconstructing a Multi-Tiered Intrusion and Monetization Pipeline“Local Privilege Escalation: PwnKit (CVE-2021-4034), an nf_tables kernel exploit (CVE-2024-1086), and a Tomcat Ghostcat AJP client (CVE-2020-1938)”
Indicators reported together
named in the same reportsAlso named with it: CVE-2021-4034, CVE-2026-60137, CVE-2026-63030, CVE-2026-0257, CVE-2022-28368, CVE-2023-7028, CVE-2024-1086, CVE-2026-60004, CVE-2022-0847, CVE-2026-35273, CVE-2026-85046, CVE-2026-85880, CVE-2026-87491, CVE-2026-48710, CVE-2025-39964, CVE-2026-20316, CVE-2026-39987, CVE-2021-29441, CVE-2026-81963, CVE-2026-81578
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