What is CVE-2021-1478?

CVE-2021-1478 is a medium-severity vulnerability in Cisco Unified Communications Manager, classified under Improper Access Control. CVSS score: 5.3/10. Published 2021-05-06.

How severe is CVE-2021-1478?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Cisco Unified Communications Manager

CVE-2021-1478

A vulnerability in the Java Management Extensions (JMX) component of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected system. This vulnerability is due to an unsecured TCP/IP port. An attacker could exploit this vulnerability by accessing the port and restarting the JMX process. A successful exploit could allow the attacker to cause a DoS condition on an affected system.

EPSS: 0.010 (61.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2021-1478?: CVE-2021-1478 is a medium-severity vulnerability in Cisco Unified Communications Manager, classified under Improper Access Control. CVSS score: 5.3/10. Published 2021-05-06.
How severe is CVE-2021-1478?: Medium severity. CVSS v3 base score is 5.3 out of 10.