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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.011 (64.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
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
- seclists.org/fulldisclosure/2020/Jul/14 (Mailing List, Third Party Advisory)
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.