VDB

CVE-2019-1817

CVE-2019-1817 PUBLISHED CVSS 8.600000381469727 HIGH

A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliance could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper validation of HTTP and HTTPS requests. An attacker could exploit this vulnerability by sending a malformed HTTP or HTTPS request to an affected device. An exploit could allow the attacker to cause a restart of the web proxy process, resulting in a temporary DoS condition.

EPSS 0.65% · 71.3th percentile

Risk Scores

CVSS 3.0
8.600000381469727
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS Score
0.65%
71.3th percentile

Affected Products

VendorProductVersions
CiscoCisco Web Security Appliance (WSA)unspecified, unspecified
ciscoweb_security_appliance*, *, 11.5.1-fcs-125

Timeline

  • May 1, 2019 CVE Published
  • Apr 14, 2021 EPSS Score
  • Jun 23, 2021 EPSS Score
  • Aug 24, 2021 EPSS Score
  • Dec 27, 2021 EPSS Score
  • Jan 6, 2022 EPSS Score
  • Feb 4, 2022 EPSS Score
  • Feb 28, 2022 EPSS Score
  • Apr 1, 2022 EPSS Score
  • Jul 3, 2022 EPSS Score
  • Sep 4, 2022 EPSS Score
  • Nov 6, 2022 EPSS Score

References

…and 3 more

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