Cisco Web Security Appliance Web Proxy Denial of Service Vulnerability
CVE-2019-1884

7.7HIGH

Key Information:

Vendor
Cisco
Status
Cisco Web Security Appliance (wsa)
Vendor
CVE Published:
4 July 2019

Badges

👾 Exploit Exists

Summary

A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient input validation mechanisms for certain fields in HTTP/HTTPS requests sent through an affected device. A successful attacker could exploit this vulnerability by sending a malicious HTTP/HTTPS request through an affected device. An exploit could allow the attacker to force the device to stop processing traffic, resulting in a DoS condition.

Affected Version(s)

Cisco Web Security Appliance (WSA) < 10.5.5-005

References

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

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.