Home/CVE/Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV340 Series Routers could allow
CVE

CVE-2020-3451

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV340 Series Routers could allow

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV340 Series Routers could allow an authenticated, remote attacker with administrative credentials to execute arbitrary commands on the underlying operating system (OS) as a restricted user. For more information about these vulnerabilities, see the Details section of this advisory.

MEDIUM · CVSS 4.7 EPSS 0.00524
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-20Improper Input Validation
▤

Affected Products & Versions

4
cisco rv340w firmware< 1.0.03.19
cisco rv340 firmware< 1.0.03.19
cisco rv345 firmware< 1.0.03.19
cisco rv345p firmware< 1.0.03.19
▣

Scoring & Timeline

4.7
MEDIUM · CVSS v3.1 · psirt@cisco.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Sep 2020 · 03:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisco-csafcisco-sa-rv-osinj-rce-pwTkPCJv
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-osinj-rce-pwTkPCJvVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-1100/Third Party AdvisoryVDB Entry
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