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CVE-2023-22417

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CVE-2023-22417

Published: Jan 12, 2023

Modified: Apr 8, 2025

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

A Missing Release of Memory after Effective Lifetime vulnerability in the Flow Processing Daemon (flowd) of Juniper Networks Junos OS allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS). In an IPsec VPN environment, a memory leak will be seen if a DH or ECDH group is configured. Eventually the flowd process will crash and restart. This issue affects Juniper Networks Junos OS on SRX Series: All versions prior to 19.3R3-S7; 19.4 versions prior to 19.4R2-S8, 19.4R3-S10; 20.2 versions prior to 20.2R3-S6; 20.3 versions prior to 20.3R3-S5; 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3; 21.3 versions prior to 21.3R3; 21.4 versions prior to 21.4R2.

VendorProductVersions

Juniper Networks

Junos OS

affected
unspecified - < 19.3R3-S7
affected
19.4 - < 19.4R2-S8, 19.4R3-S10
affected
20.2 - < 20.2R3-S6
affected
20.3 - < 20.3R3-S5
affected
20.4 - < 20.4R3-S5

+4 more versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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