Cisco Small Business Series Switches Memory Corruption Vulnerability
CVE-2019-1892

7.5HIGH

Key Information:

Vendor

Cisco
Status
Cisco Small Business 300 Series Managed Switches
Vendor
CVE Published:
6 July 2019

Badges

👾 Exploit Exists

What is CVE-2019-1892?

A vulnerability in the Secure Sockets Layer (SSL) input packet processor of Cisco Small Business 200, 300, and 500 Series Managed Switches could allow an unauthenticated, remote attacker to cause a memory corruption on an affected device. The vulnerability is due to improper validation of HTTPS packets. An attacker could exploit this vulnerability by sending a malformed HTTPS packet to the management web interface of the affected device. A successful exploit could allow the attacker to cause an unexpected reload of the device, resulting in a denial of service (DoS) condition.

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Affected Version(s)

Cisco Small Business 300 Series Managed Switches < 1.4.10.6

References

https://tools.cisco.com/security/center/content/CiscoSecu...
vendor-advisoryx_refsource_CISCO

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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