CVE-2014-6449 Denial of service in n/a
Remote attackers can cause a denial of service via crafted TCP packets due to improper packet reassembly handling in Juniper Junos OS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2014-6449?
CVE-2014-6449 is a medium-severity denial of service vulnerability in Juniper Junos, published on 16 Oct 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Juniper Junos OS before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, 12.3 before 12.3R10, 12.3X48 before 12.3X48-D15, 13.2 before 13.2R8, 13.3 before 13.3R7, 14.1 before 14.1R5, and 14.2 before 14.2R1 do not properly handle TCP packet reassembly, which allows remote attackers to cause a denial of service (buffer consumption) via a crafted sequence of packets "destined to the device."
Weakness: CWE-399
Which versions are affected by CVE-2014-6449?
It affects 1 product.
Products include Juniper Junos.
How do I fix CVE-2014-6449?
No fix has been published for CVE-2014-6449 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2014-6449 being exploited?
There is no known exploitation of CVE-2014-6449 in the wild and no public exploit code.
Other vulnerabilities in Juniper Junos
- CVE-2023-36845 Juniper Junos OS EX Series and SRX Series PHP External Variable Modification
- CVE-2020-1631 Juniper Junos OS Path Traversal
- CVE-2025-21590 Juniper Junos OS Improper Isolation or Compartmentalization
- CVE-2023-36851 Juniper Junos OS SRX Series Missing Authentication for Critical Function
- CVE-2023-36844 Juniper Junos OS EX Series PHP External Variable Modification
Sources
Also known as GHSA-89gg-wwg4-3jch.