CVE-2019-1884
Last modified
CVE-2019-1884 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. 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. EPSS estimates a 1.51% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Asyncos | >= 10.1, < 10.5.5-005 |
| Cisco | Asyncos | >= 11.5, < 11.5.2-020 |
| Cisco | Asyncos | >= 11.7, < 11.7.0-407 |
| Cisco | Web Security Appliance | 10.1.4-017 |
| Cisco | Web Security Appliance | 10.5.2-072 |
| Cisco | Web Security Appliance | 11.5.1-fcs-125 |
| Cisco | Web Security Appliance | 11.7.0-256 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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