Cisco on Wednesday announced that it has patched a total of five vulnerabilities in its SD-WAN solution, including three that have been assigned a “high severity” rating.
The high-severity vulnerabilities — all of them reported to Cisco by Orange Group — are caused by insufficient input validation. They can be exploited to make unauthorized changes to the system, escalate privileges to root, and inject arbitrary commands that are executed with root permissions.
According to Cisco, the three high-severity flaws can only be exploited by a local, authenticated attacker. Exploitation involves sending specially crafted requests or specially crafted input to the targeted system.
The security holes can impact several Cisco products if they are running an SD-WAN version prior to 19.2.2, including vBond Orchestrator, vEdge routers, vManage network management software, and vSmart controller software.
Julien Legras and Thomas Etrillard of Synacktiv informed Cisco that its SD-WAN vManage software is affected by a SQL injection and a cross-site scripting (XSS) vulnerability. The flaws can be exploited remotely, but they require authentication.
Cisco says there is no evidence that these vulnerabilities have been exploited in malicious attacks.
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Eduard Kovacs (@EduardKovacs) is a contributing editor at SecurityWeek. He worked as a high school IT teacher for two years before starting a career in journalism as Softpedia’s security news reporter. Eduard holds a bachelor’s degree in industrial informatics and a master’s degree in computer techniques applied in electrical engineering.
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