Cyber Resilience

CVE-2021-1330

High

Published: 04 February 2021

Published
04 February 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0043 63.4th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-1330 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Cisco Rv016 Multi-Wan Vpn Router Firmware. Its CVSS base score is 7.2 (High).

Operationally, ranked in the top 36.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers could allow an authenticated, remote attacker to execute arbitrary code or cause an affected device to restart unexpectedly. These vulnerabilities are…

more

due to improper validation of user-supplied input in the web-based management interface. An attacker could exploit these vulnerabilities by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system or cause the device to reload, resulting in a denial of service (DoS) condition. To exploit these vulnerabilities, an attacker would need to have valid administrator credentials on the affected device.

CWE(s)

Related Threats

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

Affected Assets

cisco
rv016 multi-wan vpn router firmware
≤ 4.2.3.14
cisco
rv042 dual wan vpn router firmware
≤ 4.2.3.14
cisco
rv042g dual gigabit wan vpn router firmware
≤ 4.2.3.14
cisco
rv082 dual wan vpn router firmware
≤ 4.2.3.14
cisco
rv320 dual gigabit wan vpn router firmware
≤ 1.5.1.11
cisco
rv325 dual gigabit wan vpn router firmware
≤ 1.5.1.11

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References