CVE-2019-25741

critical · 9.3

Mobatek MobaXterm 12.1 contains a structured exception handling (SEH) based buffer overflow vulnerability in the username field of session files that allows remote attackers to execute arbitrary code. Attackers can craft a malicious MobaXterm sessions file with overflow data that triggers the vulnerability when imported and executed, enabling reverse shell execution with user privileges.

9.3

CVSS

0.6%

EPSS (exploit prob.)

49th

EPSS percentile

2026-06-04

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-120

References

https://download.mobatek.net/1112019010310554/MobaXterm_Portable_v11.1.zip
https://www.exploit-db.com/exploits/47429
https://www.vulncheck.com/advisories/mobatek-mobaxterm-buffer-overflow-via-sessions-file

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2019-25741