CVE-2023-44199
Junos OS: MX Series: In a PTP scenario a prolonged routing protocol churn can trigger an FPC reboot
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 7.5EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Lifecycle
12 Oct 2023Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Juniper Networks · Junos OSWant to know if your infrastructure is exposed to this?
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