ZDI-CAN-15892: (Pwn2Own) Cisco RV340 NGINX Missing Authentication Information Disclosure Vulnerability
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Cisco RV340 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the configuration of the NGINX web server. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to disclose stored web session tokens, leading to further compromise.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco RV340W Firmware |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-15892?
The severity of ZDI-CAN-15892 is considered high due to potential information disclosure without authentication.
How do I fix ZDI-CAN-15892?
To fix ZDI-CAN-15892, apply the latest firmware updates provided by Cisco for the RV340 routers.
Who is affected by ZDI-CAN-15892?
ZDI-CAN-15892 affects users of Cisco RV340 routers who have the vulnerable NGINX web server configuration.
Can ZDI-CAN-15892 be exploited remotely?
Yes, ZDI-CAN-15892 can be exploited by network-adjacent attackers without the need for authentication.
What types of information can be disclosed by ZDI-CAN-15892?
ZDI-CAN-15892 allows disclosure of sensitive information, though specific details may vary based on the configuration.
- agent/references
- agent/softwarecombine
- agent/title
- agent/severity
- agent/type
- agent/description
- agent/source
- agent/tags
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-22-416
- alias/ZDI-CAN-15892
- alias/CVE-2022-20709
- alias/CVE-2022-20711
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- agent/event
- vendor/cisco
- canonical/cisco rv340w firmware