CVE-2019-1886

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Summary

CVECVE-2019-1886
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-07-04 20:15:00 UTC
Updated2020-10-16 15:08:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-295

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Cisco Asyncos All All All All
Operating System Cisco Asyncos All All All All
Application Cisco Web Security Appliance 10.5.2-072 All All All
Application Cisco Web Security Appliance 10.5.3-025 All All All
Application Cisco Web Security Appliance 11.7.0-fcs-334 All All All
Application Cisco Web Security Appliance 10.5.2-072 All All All
Application Cisco Web Security Appliance 10.5.3-025 All All All
Application Cisco Web Security Appliance 11.7.0-fcs-334 All All All

References

ReferenceSourceLinkTags
Cisco Web Security Appliance CVE-2019-1886 Remote Denial of Service Vulnerability BID www.securityfocus.com Third Party Advisory, VDB Entry
Cisco Web Security Appliance HTTPS Certificate Denial of Service Vulnerability CISCO tools.cisco.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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