CVE-2026-32105
HighCVSS 7.7Exploitation Probability (EPSS)
Low risk7th percentile - higher than 7% of all known CVEs
Summary
xrdp to otwartoźródłowy serwer RDP, który w wersjach do 0.10.5 nie weryfikuje podpisu kodu uwierzytelniającego (MAC) dla zaszyfrowanych pakietów RDP przy użyciu warstwy 'Classic RDP Security'. Brak tej weryfikacji umożliwia atakującemu z dostępem typu man-in-the-middle modyfikację zaszyfrowanego ruchu bez wykrycia.
Risk Assessment
Organizacja narażona jest na ryzyko modyfikacji danych przesyłanych przez niezaufane źródła, co może prowadzić do poważnych naruszeń bezpieczeństwa i utraty integralności danych.
Recommendation
Zaleca się natychmiastową aktualizację do wersji 0.10.6, która naprawia tę podatność. Jeśli aktualizacja nie jest możliwa, należy skonfigurować plik xrdp.ini, aby wymusić warstwę bezpieczeństwa TLS (security_layer=tls) w celu zapewnienia integralności end-to-end.
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Original NVD description (English source)
xrdp is an open source RDP server. In versions through 0.10.5, xrdp does not implement verification for the Message Authentication Code (MAC) signature of encrypted RDP packets when using the "Classic RDP Security" layer. While the sender correctly generates signatures, the receiving logic lacks the necessary implementation to validate the 8-byte integrity signature, causing it to be silently ignored. An unauthenticated attacker with man-in-the-middle (MITM) capabilities can exploit this missing check to modify encrypted traffic in transit without detection. It does not affect connections where the TLS security layer is enforced. This issue has been fixed in version 0.10.6. If users are unable to immediately upgrade, they should configure xrdp.ini to enforce TLS security (security_layer=tls) to ensure end-to-end integrity.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

