4
CVSSv2

CVE-2019-1884

Published: 04/07/2019 Updated: 09/10/2019
CVSS v2 Base Score: 4 | Impact Score: 2.9 | Exploitability Score: 8
CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8
VMScore: 356
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P

Vulnerability Summary

A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an authenticated, remote malicious user 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 malicious user to force the device to stop processing traffic, resulting in a DoS condition.

Vulnerability Trend

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cisco asyncos

cisco web security appliance 10.1.4-017

cisco web security appliance 11.5.1-fcs-125

cisco web security appliance 10.5.2-072

cisco web security appliance 11.7.0-256

Vendor Advisories

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 ...