Vulnerability · Published Jan 20, 2021 · Assigned by cisco

CVE-2021-1350Cisco Umbrella Dashboard Packet Flood Vulnerability

Medium 5.3

In plain English

A medium-severity resource allocation without limits in Cisco Umbrella Insights Virtual Appliance from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)1.3%top 29.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in the web UI of Cisco Umbrella could allow an unauthenticated, remote attacker to negatively affect the performance of this service. The vulnerability exists due to insufficient rate limiting controls in the web UI. An attacker could exploit this vulnerability by sending crafted HTTPS packets at a high and sustained rate. A successful exploit could allow the attacker to negatively affect the performance of the web UI. Cisco has addressed this vulnerability.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco Umbrella Insights Virtual Appliance	n/a

Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

20210120 Cisco Umbrella Dashboard Packet Flood Vulnerability vendor-advisory, x_refsource_CISCO