CVE-2020-29379

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 14%
VendorProductVersion
vsolcnv1600d4l_firmware
1.01.49
vsolcnv1600d-mini_firmware
1.01.48
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://seclists.org/fulldisclosure/2020/Jul/14
https://seclists.org/fulldisclosure/2020/Jul/14