PT-2020-17144 · V Sol · V-Sol V1600D+4

Alexandre Torres + 3 · Published 2020-11-29 · Updated 2020-12-03 · CVE-2020-29375

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions V-SOL V1600D versions V2.03.57 through V2.03.69 V-SOL V1600D4L version V1.01.49 V-SOL V1600D-MINI version V1.01.48 V-SOL V1600G1 versions V1.9.7 through V2.0.7 V-SOL V1600G2 version V1.1.4

Description An issue was discovered in V-SOL OLT devices, where a low-privileged (non-admin) attacker can use a hardcoded password to create an admin user. The hardcoded password is 4ef9cea10b2362f15ba4558b1d5c081f.

Recommendations For V-SOL V1600D versions V2.03.57 through V2.03.69, update the device to remove the hardcoded password. For V-SOL V1600D4L version V1.01.49, update the device to remove the hardcoded password. For V-SOL V1600D-MINI version V1.01.48, update the device to remove the hardcoded password. For V-SOL V1600G1 versions V1.9.7 through V2.0.7, update the device to remove the hardcoded password. For V-SOL V1600G2 version V1.1.4, update the device to remove the hardcoded password. As a temporary workaround, consider restricting access to the device until a patch is available.

Fix

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

Related Identifiers

CVE-2020-29375

Affected Products

V-Sol V1600D

V-Sol V1600D-Mini

V-Sol V1600D4L

V-Sol V1600G1

V-Sol V1600G2

References · 6

• https://osv.dev/vulnerability/CVE-2020-29375 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-29375 · Security Note
• https://t.me/cvenotify/6297 · Telegram Post
• https://t.me/cvenotify/6548 · Telegram Post
• https://seclists.org/fulldisclosure/2020/Jul/14 · Note
• https://t.me/cibsecurity/16920 · Telegram Post