CVE-2021-20993 WAGO: Managed Switches: Exposure of sensitive information through directory listing
Attackers can view directory listings on WAGO managed switches if directory listing is enabled, exposing sensitive resource indexes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-20993?
CVE-2021-20993 is a medium-severity vulnerability in WAGO 0852-0303, published on 13 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In multiple managed switches by WAGO in different versions the activated directory listing provides an attacker with the index of the resources located inside the directory.
Weakness: CWE-200
Which versions are affected by CVE-2021-20993?
It affects 5 products.
Products include Wago 0852-0303 Firmware, Wago 0852-1305\/000-001 Firmware, Wago 0852-1305 Firmware, Wago 0852-1505\/000-001 Firmware, Wago 0852-1505 Firmware.
How do I fix CVE-2021-20993?
No fix has been published for CVE-2021-20993 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-20993 being exploited?
There is no known exploitation of CVE-2021-20993 in the wild and no public exploit code.
Other vulnerabilities in WAGO 0852-0303
- CVE-2021-20998 WAGO: Managed Switches: Unauthorized creation of user accounts
- CVE-2021-20994 WAGO: Managed Switches: Reflected Cross-site Scripting
- CVE-2021-20997 WAGO: Managed Switches: Unauthorized access to password hashes
- CVE-2021-20995 WAGO: Managed Switches: Storage of user credentials in a cookie
- CVE-2021-20996 WAGO: Managed Switches: Unsecure Cookie settings
Sources
Also known as GHSA-8xqw-xjxh-7m7j.