Home/CVE/A vulnerability in the web-based management interface of Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN
CVE

CVE-2024-20393

A vulnerability in the web-based management interface of Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN

A vulnerability in the web-based management interface of Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow an authenticated, remote attacker to elevate privileges on an affected device. This vulnerability exists because the web-based management interface discloses sensitive information. An attacker could exploit this vulnerability by sending crafted HTTP input to an affected device. A successful exploit could allow an attacker to elevate privileges from guest to admin.

HIGH · CVSS 8.8 EPSS 0.01437
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-285Improper Authorization
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Affected Products & Versions

3
cisco rv340 dual wan gigabit vpn router firmwareall versions
cisco rv340w dual wan gigabit wireless-ac vpn router firmwareall versions
cisco rv345 dual wan gigabit vpn router firmwareall versions
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Scoring & Timeline

8.8
HIGH · 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 NVD02 Oct 2024 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
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-rv34x-privesc-rce-qE33TCms
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv34x-privesc-rce-qE33TCmsVendor Advisory
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