CVE-2019-12665
Last modified
CVE-2019-12665 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. A vulnerability in the HTTP client feature of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to read and modify data that should normally have been sent via an encrypted channel. The vulnerability is due to TCP port information not being considered when matching new requests to existing, persistent HTTP connections. EPSS estimates a 1.09% chance of exploitation in the next 30 days.
Description
A vulnerability in the HTTP client feature of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to read and modify data that should normally have been sent via an encrypted channel. The vulnerability is due to TCP port information not being considered when matching new requests to existing, persistent HTTP connections. An attacker could exploit this vulnerability by acting as a man-in-the-middle and then reading and/or modifying data that should normally have been sent through an encrypted channel.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios | 15.6\(2\)t |
| Cisco | Ios | fd-1.5.0 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-12665?
How severe is CVE-2019-12665?
How do I fix CVE-2019-12665?
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2019
- CVE-2019-1266A spoofing vulnerability exists in Microsoft Exchange Server…6.1
- CVE-2019-12660A vulnerability in the CLI of Cisco IOS XE Software could al…5.5
- CVE-2019-12661A vulnerability in a Virtualization Manager (VMAN) related C…6.7
- CVE-2019-12662A vulnerability in Cisco NX-OS Software and Cisco IOS XE Sof…6.7
- CVE-2019-12663A vulnerability in the Cisco TrustSec (CTS) Protected Access…8.6
- CVE-2019-12664A vulnerability in the Dialer interface feature for ISDN con…7.5
- CVE-2019-12666A vulnerability in the Guest Shell of Cisco IOS XE Software …6.7
- CVE-2019-12667A vulnerability in the web framework code of Cisco IOS XE So…4.8
- CVE-2019-12668A vulnerability in the web framework code of Cisco IOS and C…4.8
- CVE-2019-12669A vulnerability in the RADIUS Change of Authorization (CoA) …7.5
- CVE-2019-1267An elevation of privilege vulnerability exists in Microsoft …7.8
- CVE-2019-12670A vulnerability in the filesystem of Cisco IOS XE Software c…6.7
Are you affected by CVE-2019-12665?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
