CVE-2019-1833
Last modified
CVE-2019-1833 is a medium-severity vulnerability rated 5.8/10 on the CVSS scale. A vulnerability in the Secure Sockets Layer (SSL)/Transport Layer Security (TLS) protocol parser of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured policies. The vulnerability is due to improper parsing of specific attributes in a TLS packet header. EPSS estimates a 1.71% chance of exploitation in the next 30 days.
Description
A vulnerability in the Secure Sockets Layer (SSL)/Transport Layer Security (TLS) protocol parser of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured policies. The vulnerability is due to improper parsing of specific attributes in a TLS packet header. An attacker could exploit this vulnerability by sending malicious TLS messages to the affected system. A successful exploit could allow the attacker to bypass the configured policies for the system, which could allow traffic to flow through without being inspected.
Metrics
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Secure Firewall Management Center | 6.1.0 |
| Cisco | Secure Firewall Management Center | 6.2.0 |
| Cisco | Secure Firewall Management Center | 6.2.1 |
| Cisco | Secure Firewall Management Center | 6.2.2 |
| Cisco | Secure Firewall Management Center | 6.2.3 |
References
- http://www.securityfocus.com/bid/108338Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/108338Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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