CVE-2020-29379 — MEDIUM (5.5)

Vulnerability Description

An issue was discovered on V-SOL V1600D4L V1.01.49 and V1600D-MINI V1.01.48 OLT devices. During the process of updating the firmware, the update script starts a telnetd -l /bin/sh process that does not require authentication for TELNET access.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Vsolcn	V1600D4L Firmware	1.01.49
Vsolcn	V1600D4L	-
Vsolcn	V1600D-Mini Firmware	1.01.48
Vsolcn	V1600D-Mini	-

Related Weaknesses (CWE)

CWE-306

References

https://seclists.org/fulldisclosure/2020/Jul/14ExploitMailing ListThird Party Advisory
https://seclists.org/fulldisclosure/2020/Jul/14ExploitMailing ListThird Party Advisory

FAQ

What is CVE-2020-29379?

CVE-2020-29379 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An issue was discovered on V-SOL V1600D4L V1.01.49 and V1600D-MINI V1.01.48 OLT devices. During the process of updating the firmware, the update script starts a telnetd -l /bin/sh process that does no...

How severe is CVE-2020-29379?

CVE-2020-29379 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-29379?

Check the references section above for vendor advisories and patch information. Affected products include: Vsolcn V1600D4L Firmware, Vsolcn V1600D4L, Vsolcn V1600D-Mini Firmware, Vsolcn V1600D-Mini.