Vulnerability · Published Jan 13, 2021 · Assigned by cisco

CVE-2021-1267Cisco Firepower Management Center XML Entity Expansion Vulnerability

Medium 4.3

In plain English

A medium-severity security flaw in Cisco Firepower Management Center from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).

Severity (CVSS 3.0)4.3Medium

Exploit odds (30 days)1.0%top 36.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in the dashboard widget of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper restrictions on XML entities. An attacker could exploit this vulnerability by crafting an XML-based widget on an affected server. A successful exploit could cause increased memory and CPU utilization, which could result in a DoS condition.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco Firepower Management Center	n/a

Weakness: CWE-776 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References

20210113 Cisco Firepower Management Center XML Entity Expansion Vulnerability vendor-advisory, x_refsource_CISCO