CVE-2020-37015 Ruijie Networks Switch eWeb S29_RGOS 11.4 - Directory Traversal
Unauthenticated attackers can exploit a directory traversal flaw in Ruijie switches to read sensitive configuration files containing credentials and network settings.
- 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-2020-37015?
CVE-2020-37015 is a high-severity path traversal vulnerability in Ruijienetworks Ruijie Networks Switch eWeb S29_RGOS, published on 29 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Ruijie Networks Switch eWeb S29_RGOS version 11.4 contains a directory traversal vulnerability that allows unauthenticated attackers to access sensitive configuration files by manipulating file path parameters. Attackers can exploit the /download.do endpoint with '../' sequences to retrieve system configuration files containing credentials and network settings.
Weakness: CWE-22
Which versions are affected by CVE-2020-37015?
How do I fix CVE-2020-37015?
No fix has been published for CVE-2020-37015 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-37015 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37015 exists.
Sources
Also known as GHSA-cmxw-3hcw-fq5h.