CVE-2020-5771 Privilege escalation in Teltonika Gateway TRB245
An authenticated attacker can gain root privileges on Teltonika TRB245 gateways by uploading a malicious backup archive due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-5771?
CVE-2020-5771 is a high-severity vulnerability in Teltonika Gateway TRB245, published on 3 Aug 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper Input Validation in Teltonika firmware TRB2_R_00.02.04.01 allows a remote, authenticated attacker to gain root privileges by uploading a malicious backup archive.
Weakness: CWE-20
Which versions are affected by CVE-2020-5771?
It affects 1 product.
Products include Teltonika-Networks Trb245 Firmware.
How do I fix CVE-2020-5771?
No fix has been published for CVE-2020-5771 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-5771 being exploited?
There is no known exploitation of CVE-2020-5771 in the wild and no public exploit code.
Other vulnerabilities in Teltonika Gateway TRB245
- CVE-2020-5786 Cross-site request forgery in Teltonika Gateway TRB245
- CVE-2020-5770 Cross-site request forgery in Teltonika Gateway TRB245
- CVE-2020-5773 Privilege escalation in Teltonika Gateway TRB245
- CVE-2020-5772 File upload in Teltonika Gateway TRB245
- CVE-2020-5784 Server-side request forgery in Teltonika Gateway TRB245
Sources
Also known as GHSA-pjj8-w7g3-6hwq.