CVE-2024-21606

HIGH

Published Jan 12, 2024 Modified Nov 21, 2024 CWE-415

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.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-415 CWE-415

Affected Products

Vendor	Product	Versions
juniper	junos	< 20.4
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
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juniper	junos	All
juniper	junos	All
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juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
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juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	junos	All
juniper	srx100	All
juniper	srx110	All
juniper	srx1400	All
juniper	srx1500	All
juniper	srx1600	All
juniper	srx210	All
juniper	srx220	All
juniper	srx2300	All
juniper	srx240	All
juniper	srx240h2	All
juniper	srx240m	All
juniper	srx300	All
juniper	srx320	All
juniper	srx340	All
juniper	srx3400	All
juniper	srx345	All
juniper	srx3600	All
juniper	srx380	All
juniper	srx4000	All
juniper	srx4100	All
juniper	srx4200	All
juniper	srx4300	All
juniper	srx4600	All
juniper	srx4700	All
juniper	srx5000	All
juniper	srx5400	All
juniper	srx550	All
juniper	srx550_hm	All
juniper	srx550m	All
juniper	srx5600	All
juniper	srx5800	All
juniper	srx650	All

References

Advisories & Patches

https://supportportal.juniper.net/JSA75747 https://supportportal.juniper.net/JSA75747

Other References

https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

Frequently Asked Questions

What is CVE-2024-21606? +

How severe is CVE-2024-21606? +

CVE-2024-21606 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-21606? +

CVE-2024-21606 affects products from juniper, specifically: junos, srx100, srx110, srx1400, srx1500, srx1600, srx210, srx220, srx2300, srx240, srx240h2, srx240m, srx300, srx320, srx340, srx3400, srx345, srx3600, srx380, srx4000, srx4100, srx4200, srx4300, srx4600, srx4700, srx5000, srx5400, srx550, srx550_hm, srx550m, srx5600, srx5800, srx650. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-21606? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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Quick Facts

CVSS Score: 7.5
Severity: HIGH
Published: Jan 12, 2024

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