CVE-2018-7750

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

transport.py in the SSH server implementation of Paramiko before 1.17.6, 1.18.x before 1.18.5, 2.0.x before 2.0.8, 2.1.x before 2.1.5, 2.2.x before 2.2.3, 2.3.x before 2.3.2, and 2.4.x before 2.4.1 does not properly check whether authentication is completed before processing other requests, as demonstrated by channel-open. A customized SSH client can simply skip the authentication step.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 13, 2018
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2018

CVE-2018-77516.5The svg_probe function in libavformat/img2dec.c in FFmpeg through 3.4.2 allows remote attackers to cause a denial of service (Infinite Loop)CVE-2018-77527.8GPAC through 0.7.1 has a Buffer Overflow in the gf_media_avc_read_sps function in media_tools/av_parsers.c, a different vulnerability than CCVE-2018-77539.8An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that have URI values weren't properly sanitized if the values contained chaCVE-2018-77545.5The aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c in the Linux kernel through 4.16.4rc4 allows local users to obtain sensitiveCVE-2018-77555.5An issue was discovered in the fd_locked_ioctl function in drivers/block/floppy.c in the Linux kernel through 4.15.7. The floppy driver willCVE-2018-77569.8RunExeFile.exe in the installer for DEWESoft X3 SP1 (64-bit) devices does not require authentication for sessions on TCP port 1999, which alCVE-2018-77575.5Memory leak in the sas_smp_get_phy_events function in drivers/scsi/libsas/sas_expander.c in the Linux kernel through 4.15.7 allows local useCVE-2018-77586.5A denial of service vulnerability exists in Schneider Electric's MiCOM Px4x (P540 range excluded) with legacy Ethernet board, MiCOM P540D RaCVE-2018-77597.5A buffer overflow vulnerability exists in Schneider Electric's Modicon M340, Modicon Premium, Modicon Quantum PLC, BMXNOR0200. The buffer ovCVE-2018-77609.8An authorization bypass vulnerability exists in Schneider Electric's Modicon M340, Modicon Premium, Modicon Quantum PLC, BMXNOR0200. RequestCVE-2018-77619.8A vulnerability exists in the HTTP request parser in Schneider Electric's Modicon M340, Modicon Premium, Modicon Quantum PLC, BMXNOR0200 whiCVE-2018-77627.5A vulnerability exists in the web services to process SOAP requests in Schneider Electric's Modicon M340, Modicon Premium, Modicon Quantum P
CVE-2018-7750: Critical severity, CVSS 9.8 | Vulnix