Cisco this week said it patched a “critical” patch for its Prime License Manager (PLM) software that would let attackers execute random SQL queries.

The Cisco Prime License Manager offers enterprise-wide management of user-based licensing, including license fulfillment.

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Released in November, the first version of the Prime License Manager patch caused its own “functional” problems that Cisco was then forced to fix. That patch, called ciscocm.CSCvk30822_v1.0.k3.cop.sgn addressed the SQL vulnerability but caused backup, upgrade and restore problems, and should no longer be used Cisco said.

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