How severe is CVE-2020-3144?

CVE-2020-3144 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-3144 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3144?

CVE-2020-3144 primarily affects Cisco Rv110w Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-3144?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-3144 published?

CVE-2020-3144 was published on 2020-07-16 and last updated on 2026-06-17.

CVE-2020-3144

CVE-2020-3144 is a critical-severity vulnerability in Cisco Rv110w Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Cisco Rv110w Firmware
Published: 2020-07-16
Last modified: 2026-06-17

Description

A vulnerability in the web-based management interface of the Cisco RV110W Wireless-N VPN Firewall, RV130 VPN Router, RV130W Wireless-N Multifunction VPN Router, and RV215W Wireless-N VPN Router could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary commands with administrative commands on an affected device. The vulnerability is due to improper session management on affected devices. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected device. A successful exploit could allow the attacker to gain administrative access on the affected device.

Frequently asked questions

What is CVE-2020-3144?: A vulnerability in the web-based management interface of the Cisco RV110W Wireless-N VPN Firewall, RV130 VPN Router, RV130W Wireless-N Multifunction VPN Router, and RV215W Wireless-N VPN Router could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary commands with administrative commands on an affected device. The vulnerability is due to improper session management on affected devices. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected device. A successful exploit could allow the attacker to gain administrative access on the affected device.
How severe is CVE-2020-3144?: CVE-2020-3144 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-3144 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3144?: CVE-2020-3144 primarily affects Cisco Rv110w Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-3144?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-3144 published?: CVE-2020-3144 was published on 2020-07-16 and last updated on 2026-06-17.

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-auth-bypass-cGv9EruZ

Affected products (4)

cpe:2.3:o:cisco:rv110w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv130_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv130w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv215w_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Cisco Rv110w Firmware

CVE-2014-0683 — Critical (CVSS 10.0): The web management interface on the Cisco RV110W firewall with firmware 1.2.0.9 and earlier, RV215W router with…
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CVE-2021-1459 — Critical (CVSS 9.8): A vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers…
CVE-2019-1663 — Critical (CVSS 9.8): A vulnerability in the web-based management interface of the Cisco RV110W Wireless-N VPN Firewall, Cisco RV130W…
CVE-2018-0426 — Critical (CVSS 9.8): A vulnerability in the web-based management interface of the Cisco RV110W Wireless-N VPN Firewall, Cisco RV130W…
CVE-2018-0425 — Critical (CVSS 9.8): A vulnerability in the web-based management interface of the Cisco RV110W Wireless-N VPN Firewall, Cisco RV130W…

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Other CWE-287 (Improper Authentication) vulnerabilities

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