Cisco Systems this month issued six security advisories disclosing a total of 12 vulnerabilities the Data Center Network Manager, three of them critical.

Designated CVE-2019-15975, CVE-2019-15976, and CVE-2019-15977, the three most serious flaws could enable unauthenticated, remote attackers to bypass authentication measures and execute malicious actions with admin-level privileges. Collectively, the trio of vulnerabilities was assigned a CVSS base score of 9.8.

The first two were respectively found in the REST API endpoint and SOAP API endpoint and is caused by the sharing of a static encryption key between installations. The remaining critical flaw was discovered in the web-based management interface and is due to static credentials.

Uncovered by Steven Seeley (aka mr_me) of Source Incite, in conjunction with Trend Micro’s Zero Day Initiative, these issues were fixed in Cisco DCNM Software releases 11.3(1) and later, as were the remaining bugs.

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Of the seven high-level vulnerabilities, two are SQL injection flaws, three are path traversal bugs and two are command injection conditions. The two remaining, medium-level bugs consist of an XML external entity read access vulnerability and a JBoss EAP unauthorized access vulnerability.


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