ZDI-22-416: (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-22-416?
ZDI-22-416 is classified as a high-severity vulnerability due to its potential to allow unauthorized information disclosure.
How do I fix ZDI-22-416?
To fix ZDI-22-416, update your Cisco RV340 router firmware to the latest version recommended by Cisco.
Who is affected by ZDI-22-416?
ZDI-22-416 affects installations of Cisco RV340 routers, particularly those using vulnerable firmware.
Can ZDI-22-416 be exploited remotely?
Yes, ZDI-22-416 can be exploited remotely by network-adjacent attackers without authentication.
What type of information can be disclosed by exploiting ZDI-22-416?
Exploiting ZDI-22-416 can lead to the disclosure of sensitive information stored in the NGINX web server configuration.
- agent/references
- agent/type
- agent/softwarecombine
- agent/title
- agent/severity
- 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