CVE-2021-1473
Multiple vulnerabilities exist in the web-based management interface of Cisco Small Business RV Series Routers.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 64.4%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
Multiple vulnerabilities exist in the web-based management interface of Cisco Small Business RV Series Routers. A remote attacker could execute arbitrary commands or bypass authentication and upload files on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 64.41% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-78
- Affected
- cisco/rv340 firmware · cisco/rv340w firmware · cisco/rv345 firmware · cisco/rv345p firmware
- Source
- psirt@cisco.com
EPSS 64.4% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/162238/Cisco-RV-Authentication-Bypass-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/Apr/39Mailing List, Third Party Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-bypass-inject-RbhgvfdxVendor Advisory
- http://packetstormsecurity.com/files/162238/Cisco-RV-Authentication-Bypass-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/Apr/39Mailing List, Third Party Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-bypass-inject-RbhgvfdxVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.