Cyber Resilience

CVE-2024-20393

High

Published: 02 October 2024

Published
02 October 2024
Modified
08 October 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0144 81.1th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-20393 is a high-severity Improper Authorization (CWE-285) vulnerability in Cisco Rv340 Dual Wan Gigabit Vpn Router Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 18.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

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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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

cisco
rv340 dual wan gigabit vpn router firmware
1.0.00.29, 1.0.00.33, 1.0.01.16, 1.0.01.17, 1.0.01.18
cisco
rv340w dual wan gigabit wireless-ac vpn router firmware
1.0.00.29, 1.0.00.33, 1.0.01.16, 1.0.01.17, 1.0.01.18
cisco
rv345 dual wan gigabit vpn router firmware
1.0.00.29, 1.0.00.33, 1.0.01.16, 1.0.01.17, 1.0.01.18
cisco
rv345p dual wan gigabit poe vpn router firmware
1.0.00.29, 1.0.00.33, 1.0.01.16, 1.0.01.17, 1.0.01.18

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-285

Documented procedures facilitate correct implementation and ongoing management of authorization decisions.

addresses: CWE-285

Periodic reviews identify and correct flaws in authorization decisions or enforcement.

addresses: CWE-285

The control's documentation requirement reduces improper authorization by ensuring only mission-justified actions bypass authentication.

addresses: CWE-285

Establishing permitted attributes and values, plus auditing changes, ensures authorization decisions are based on correctly managed policy data.

addresses: CWE-285

Explicitly mandates authorizing remote access types before permitting connections, directly mitigating improper authorization.

addresses: CWE-285

The control explicitly requires authorization of each wireless access type prior to permitting connections.

addresses: CWE-285

Mandating explicit authorization of mobile device connections reduces the risk of improper authorization decisions for system access.

addresses: CWE-285

Specifying access authorizations for each account and requiring approvals for account requests enforces proper authorization decisions.

References