The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of Cisco Web Security Appliance: denial of service via HTTP/HTTPS Requests

Synthesis of the vulnerability 

An attacker can trigger a fatal error via HTTP/HTTPS Requests of Cisco Web Security Appliance, in order to trigger a denial of service.
Impacted products: AsyncOS, Cisco WSA.
Severity of this bulletin: 3/4.
Creation date: 04/07/2019.
Références of this threat: CERTFR-2019-AVI-304, cisco-sa-20190703-asyncos-wsa, CSCvo29853, CVE-2019-1884, VIGILANCE-VUL-29685.

Description of the vulnerability 

An attacker can trigger a fatal error via HTTP/HTTPS Requests of Cisco Web Security Appliance, in order to trigger a denial of service.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This threat impacts software or systems such as AsyncOS, Cisco WSA.

Our Vigil@nce team determined that the severity of this computer threat is important.

The trust level is of type confirmed by the editor, with an origin of internet client.

An attacker with a expert ability can exploit this cybersecurity bulletin.

Solutions for this threat 

Cisco Web Security Appliance: solution CSCvo29853.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvo29853
  https://tools.cisco.com/bugsearch/bug/CSCvo29853
  https://tools.cisco.com/quickview/bug/CSCvo29853
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides networks vulnerabilities patches. The technology watch team tracks security threats targeting the computer system.