CVE-2023-44199 — Improper Check for Unusual or Exceptional Conditions in Networks Junos OS
Severity
7.5HIGHNVD
EPSS
0.1%
top 64.58%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 13
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.…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6
Affected Packages2 packages
🔴Vulnerability Details
2GHSA▶
GHSA-j62j-mjvg-xgrq: An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX Series↗2023-10-13
CVEList▶
Junos OS: MX Series: In a PTP scenario a prolonged routing protocol churn can trigger an FPC reboot↗2023-10-12
📋Vendor Advisories
1Juniper▶
CVE-2023-44199:
An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX Series↗2023-10-13