CVE-2015-7749 Denial of service in n/a
Remote attackers can cause a denial of service in Juniper vSRX virtual firewalls by sending a specific connection request to the PFE daemon.
- 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-2015-7749?
CVE-2015-7749 is a high-severity denial of service vulnerability in Juniper Junos, published on 19 Oct 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The PFE daemon in Juniper vSRX virtual firewalls with Junos OS before 15.1X49-D20 allows remote attackers to cause a denial of service via an unspecified connection request to the "host-OS."
Weakness: CWE-20
Which versions are affected by CVE-2015-7749?
It affects 1 product.
Products include Juniper Junos.
How do I fix CVE-2015-7749?
No fix has been published for CVE-2015-7749 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-2015-7749 being exploited?
There is no known exploitation of CVE-2015-7749 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-3pjx-73rp-9mcr.