CVSS 3.1 Score 6.5 of 10 (medium)


Published Oct 13, 2023
Updated: Oct 19, 2023
CWE ID 703


CVE-2023-44203 is an Improper Check or Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on QFX5000 Series, EX2300, EX3400, EX4100, EX4400, and EX4600. It allows an adjacent attacker to send specific traffic, leading to packet flooding and resulting in a Denial of Service (DoS). This vulnerability affects Juniper Junos OS versions prior to 20.4R3-S5, 21.1 versions prior to 21.1R3-S4, 21.2 versions prior to 21.2R3-S3, 21.3 versions prior to 21.3R3-S5, 21.4 versions prior to 21.4R3-S2, 22.1 versions prior to 22.1R3, 22.2 versions prior to 22.2R3, and 22.3 versions prior to 22.3R2 on the mentioned platforms only. The vulnerability has a base severity of MEDIUM with a base score of 6.5 according to NIST's CVSS:3.1 scoring system and poses a high availability impact to organizations affected by it.

Please note that the provided summary is written based on the information provided and does not include any analysis or opinion about the vulnerability or its potential impact on organizations' security posture.

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