Vulnerability Description
An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX Series allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS). On Junos MX Series platforms with Precision Time Protocol (PTP) configured, a prolonged routing protocol churn can lead to an FPC crash and restart. This issue affects Juniper Networks Junos OS on MX Series: * All versions prior to 20.4R3-S4; * 21.1 version 21.1R1 and later versions; * 21.2 versions prior to 21.2R3-S2; * 21.3 versions prior to 21.3R3-S5; * 21.4 versions prior to 21.4R3; * 22.1 versions prior to 22.1R3; * 22.2 versions prior to 22.2R1-S1, 22.2R2.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Juniper | Junos | < 20.4 |
| Juniper | Mx10003 | - |
| Juniper | Mx10004 | - |
| Juniper | Mx10008 | - |
| Juniper | Mx2008 | - |
| Juniper | Mx2010 | - |
| Juniper | Mx2020 | - |
| Juniper | Mx204 | - |
| Juniper | Mx240 | - |
| Juniper | Mx304 | - |
| Juniper | Mx480 | - |
| Juniper | Mx960 | - |
Related Weaknesses (CWE)
References
- https://supportportal.juniper.net/JSA73165Vendor Advisory
- https://supportportal.juniper.net/JSA73165Vendor Advisory
FAQ
What is CVE-2023-44199?
CVE-2023-44199 is a vulnerability with a CVSS score of 7.5 (HIGH). An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX Series allows a network-based, unauthenticated attacker ...
How severe is CVE-2023-44199?
CVE-2023-44199 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-44199?
Check the references section above for vendor advisories and patch information. Affected products include: Juniper Junos, Juniper Mx10003, Juniper Mx10004, Juniper Mx10008, Juniper Mx2008.