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HIGH · 7.5

CVE-2023-22417

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...

Vulnerability 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.

CVSS Score

7.5

HIGH

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

Affected Products

VendorProductVersions
JuniperJunos19.3
JuniperSrx100-
JuniperSrx110-
JuniperSrx1400-
JuniperSrx1500-
JuniperSrx210-
JuniperSrx220-
JuniperSrx240-
JuniperSrx240H2-
JuniperSrx240M-
JuniperSrx300-
JuniperSrx320-
JuniperSrx340-
JuniperSrx3400-
JuniperSrx345-
JuniperSrx3600-
JuniperSrx380-
JuniperSrx4000-
JuniperSrx4100-
JuniperSrx4200-

Related Weaknesses (CWE)

CWE-401

References

FAQ

What is CVE-2023-22417?

CVE-2023-22417 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...

How severe is CVE-2023-22417?

CVE-2023-22417 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-2023-22417?

Check the references section above for vendor advisories and patch information. Affected products include: Juniper Junos, Juniper Srx100, Juniper Srx110, Juniper Srx1400, Juniper Srx1500.