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Vulnerability of Cisco ASA Software: denial of service via SIP

Synthesis of the vulnerability 

An attacker can trigger a fatal error via SIP of Cisco ASA Software, in order to trigger a denial of service.
Vulnerable products: ASA.
Severity of this weakness: 2/4.
Creation date: 22/10/2020.
Références of this bulletin: CERTFR-2020-AVI-671, cisco-sa-asaftd-sipdos-3DGvdjvg, CSCvu15801, CVE-2020-3555, VIGILANCE-VUL-33672.

Description of the vulnerability 

An attacker can trigger a fatal error via SIP of Cisco ASA Software, in order to trigger a denial of service.
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This cybersecurity note impacts software or systems such as ASA.

Our Vigil@nce team determined that the severity of this computer weakness announce is medium.

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

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

Solutions for this threat 

Cisco ASA Software: solution CSCvu15801.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu15801
  https://tools.cisco.com/bugsearch/bug/CSCvu15801
  https://tools.cisco.com/quickview/bug/CSCvu15801
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