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CVE-2019-1886

HIGH

8.6

Description

A vulnerability in the HTTPS decryption feature of Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to insufficient validation of Secure Sockets Layer (SSL) server certificates. An attacker could exploit this vulnerability by installing a malformed certificate in a web server and sending a request to it through the Cisco WSA. A successful exploit could allow the attacker to cause an unexpected restart of the proxy process on an affected device.

CVE Details

CVSS v3.1 Score8.6

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published7/4/2019

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

cisco:asyncoscisco:web_security_appliance

Weaknesses (CWE)

CWE-20CWE-295

References

http://www.securityfocus.com/bid/109049(psirt@cisco.com)

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-wsa-dos(psirt@cisco.com)

http://www.securityfocus.com/bid/109049(af854a3a-2127-422b-91ae-364da2661108)

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-wsa-dos(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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