Improper input validation in Cisco Asyncos
CVE-2019-1884
A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient input validation mechanisms for certain fields in HTTP/HTTPS requests sent through an affected device. A successful attacker could exploit this vulnerability by sending a malicious HTTP/HTTPS request through an affected device. An exploit could allow the attacker to force the device to stop processing traffic, resulting in a DoS condition.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.015 (74.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Cisco Asyncos
- Cisco Web Security Appliance (Wsa) — versions unspecified
- Cisco Web Security Appliance — versions 10.1.4-017, 10.5.2-072, 11.5.1-fcs-125
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-1884?
- CVE-2019-1884 is a high-severity vulnerability in Cisco Asyncos, classified under Improper Input Validation. CVSS score: 7.7/10. Published 2019-07-04.
- How severe is CVE-2019-1884?
- High severity. CVSS v3 base score is 7.7 out of 10.