Critical severity · published Apr 8, 2021
CVE-2021-1473
Multiple vulnerabilities exist in the web-based management interface of Cisco Small Business RV Series Routers
9.8
CVSS
64.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)64.4% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RF
Rv340 Firmware · Cisco
before 1.0.03.21 · source: NVD
RF
Rv340w Firmware · Cisco
before 1.0.03.21 · source: NVD
RF
Rv345 Firmware · Cisco
before 1.0.03.21 · source: NVD
RF
Rv345p Firmware · Cisco
before 1.0.03.21 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-1473
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-1473
Exploit
http://packetstormsecurity.com/files/162238/Cisco-RV-Authentication-Bypass-Code-Execution.html
Mailing List
http://seclists.org/fulldisclosure/2021/Apr/39
Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-bypass-inject-Rbhgvfdx
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