Auth bypass in Vsolcn V1600d
CVE-2020-29378
An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.57, V1600D4L V1.01.49, V1600D-MINI V1.01.48, V1600G1 V2.0.7 and V1.9.7, and V1600G2 V1.1.4 OLT devices. It is possible to elevate the privilege of a CLI user (to full administrative access) by using the password !j@l#y$z%x6x7q8c9z) for the enable command.
Vulnerability class: Broken Authentication
EPSS: 0.011 (61.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Vsolcn V1600d
- Vsolcn V1600d4l
- Vsolcn V1600d4l_firmware — versions 1.01.49
- Vsolcn V1600d_firmware — versions 2.03.57, 2.03.69
- Vsolcn V1600d-mini
- Vsolcn V1600d-mini_firmware — versions 1.01.48
- Vsolcn V1600g1
- Vsolcn V1600g1_firmware — versions 1.9.7, 2.0.7
- Vsolcn V1600g2
- Vsolcn V1600g2_firmware — versions 1.1.4
Weakness classification (CWE)
References
- cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-29378?
- CVE-2020-29378 is a high-severity vulnerability in Vsolcn V1600d, classified under Improper Authentication. CVSS score: 8.8/10. Published 2020-11-29.
- How severe is CVE-2020-29378?
- High severity. CVSS v3 base score is 8.8 out of 10.