CVE-2020-29379
Last modified
CVE-2020-29379 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Vsolcn | V1600d4l Firmware | 1.01.49 |
| Vsolcn | V1600d-Mini Firmware | 1.01.48 |
References
- https://seclists.org/fulldisclosure/2020/Jul/14Exploit, Mailing List, Third Party Advisory
- https://seclists.org/fulldisclosure/2020/Jul/14Exploit, Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-29379?
How severe is CVE-2020-29379?
How do I fix CVE-2020-29379?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-29373An issue was discovered in fs/io_uring.c in the Linux kernel…6.5
- CVE-2020-29374An issue was discovered in the Linux kernel before 5.7.3, re…3.6
- CVE-2020-29375An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.5…8.8
- CVE-2020-29376An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.5…9.8
- CVE-2020-29377An issue was discovered on V-SOL V1600D V2.03.69 OLT devices…9.8
- CVE-2020-29378An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.5…8.8
- CVE-2020-2938Vulnerability in the Oracle Financial Services Loan Loss For…7.1
- CVE-2020-29380An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.5…5.9
- CVE-2020-29381An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.5…9.8
- CVE-2020-29382An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.5…7.8
- CVE-2020-29383An issue was discovered on V-SOL V1600D4L V1.01.49 and V1600…7.8
- CVE-2020-29384An issue was discovered in PNGOUT 2020-01-15. When compressi…5.5
Are you affected by CVE-2020-29379?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST