CVE-2024-21606 — HIGH (7.5)

Q: How severe is CVE-2024-21606?

CVE-2024-21606 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2024-21606?

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

Vulnerability Description

A Double Free vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on SRX Series allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS). In a remote access VPN scenario, if a "tcp-encap-profile" is configured and a sequence of specific packets is received, a flowd crash and restart will be observed. This issue affects Juniper Networks Junos OS on SRX Series: * All versions earlier than 20.4R3-S8; * 21.2 versions earlier than 21.2R3-S6; * 21.3 versions earlier than 21.3R3-S5; * 21.4 versions earlier than 21.4R3-S5; * 22.1 versions earlier than 22.1R3-S3; * 22.2 versions earlier than 22.2R3-S3; * 22.3 versions earlier than 22.3R3-S1; * 22.4 versions earlier than 22.4R2-S2, 22.4R3.

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

Vendor	Product	Versions
Juniper	Junos	< 20.4
Juniper	Srx100	-
Juniper	Srx110	-
Juniper	Srx1400	-
Juniper	Srx1500	-
Juniper	Srx1600	-
Juniper	Srx210	-
Juniper	Srx220	-
Juniper	Srx2300	-
Juniper	Srx240	-
Juniper	Srx240H2	-
Juniper	Srx240M	-
Juniper	Srx300	-
Juniper	Srx320	-
Juniper	Srx340	-
Juniper	Srx3400	-
Juniper	Srx345	-
Juniper	Srx3600	-
Juniper	Srx380	-
Juniper	Srx4000	-

Related Weaknesses (CWE)

CWE-415

References

https://supportportal.juniper.net/JSA75747Vendor Advisory
https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:NThird Party Advisory
https://supportportal.juniper.net/JSA75747Vendor Advisory
https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:NThird Party Advisory

FAQ

What is CVE-2024-21606?

CVE-2024-21606 is a vulnerability with a CVSS score of 7.5 (HIGH). A Double Free vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on SRX Series allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS). In a...

How severe is CVE-2024-21606?

CVE-2024-21606 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-2024-21606?

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