CVE-2019-1886

CWE-20 — Improper Input ValidationCWE-295 — Improper Certificate Validation4 documents4 sources
Severity
8.6HIGH
EPSS
0.8%
top 25.55%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Cisco Cisco WEB Security Appliance (wsa)Cisco AsyncosCisco WEB Security Appliance
Timeline
PublishedJul 4
Latest updateMay 24

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 unexpecte…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HExploitability: 3.9 | Impact: 4.0

Affected Packages3 packages

▶CVEListV5cisco/cisco_web_security_appliance_(wsa)unspecified — 10.5.5-005
▶NVDcisco/web_security_appliance10.5.2-072, 10.5.3-025, 11.7.0-fcs-334+2
▶NVDcisco/asyncos10.5 — 10.5.5-005+1

🔴Vulnerability Details

2
GHSA
GHSA-8ggj-222w-8pp7: A vulnerability in the HTTPS decryption feature of Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to cause a denia↗2022-05-24
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CVEList
Cisco Web Security Appliance HTTPS Certificate Denial of Service Vulnerability↗2019-07-04
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📋Vendor Advisories

1
Cisco
Cisco Web Security Appliance HTTPS Certificate Denial of Service Vulnerability↗2019-07-03
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CVE-2019-1886 (HIGH CVSS 8.6) | A vulnerability in the HTTPS decryp | cvebase.io