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CVE-2024-20393

HIGHCVSS 8.8/10EPSS 0.59%

Last modified

CVE-2024-20393 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.59%

43.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.00.29
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.00.33
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.01.16
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.01.17
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.01.18
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.01.20
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.02.16
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.03.15
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.03.16
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.03.17
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.03.18
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.03.19
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.03.20
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.03.21
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.03.22
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.03.24
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.03.26
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.03.27
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.03.28
CiscoRv340 Dual Wan Gigabit Vpn Router Firmware1.0.03.29
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.00.29
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.00.33
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.01.16
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.01.17
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.01.18
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.01.20
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.02.16
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.03.15
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.03.16
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.03.17
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.03.18
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.03.19
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.03.20
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.03.21
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.03.22
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.03.24
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.03.26
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.03.27
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.03.28
CiscoRv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware1.0.03.29
CiscoRv345 Dual Wan Gigabit Vpn Router Firmware1.0.00.29
CiscoRv345 Dual Wan Gigabit Vpn Router Firmware1.0.00.33
CiscoRv345 Dual Wan Gigabit Vpn Router Firmware1.0.01.16
CiscoRv345 Dual Wan Gigabit Vpn Router Firmware1.0.01.17
CiscoRv345 Dual Wan Gigabit Vpn Router Firmware1.0.01.18
CiscoRv345 Dual Wan Gigabit Vpn Router Firmware1.0.01.20
CiscoRv345 Dual Wan Gigabit Vpn Router Firmware1.0.02.16
CiscoRv345 Dual Wan Gigabit Vpn Router Firmware1.0.03.15
CiscoRv345 Dual Wan Gigabit Vpn Router Firmware1.0.03.16
CiscoRv345 Dual Wan Gigabit Vpn Router Firmware1.0.03.17

Showing 50 of 80 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2024-20393?
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.
How severe is CVE-2024-20393?
CVE-2024-20393 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.
How do I fix CVE-2024-20393?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-20393?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST