What is CVE-2021-31381?

CVE-2021-31381 is a vulnerability in the JBoss Application Server (AppSvr) component of Juniper Networks SRC Series that allows a remote attacker to delete files and disrupt system integrity and availability.

How severe is CVE-2021-31381?

CVE-2021-31381 has a severity rating of 9.1 (Critical).

What software is affected by CVE-2021-31381?

Juniper Session and Resource Control versions between 4.12.0r5 and 4.13.0r3 are affected by CVE-2021-31381.

What is the Common Weakness Enumeration (CWE) ID for CVE-2021-31381?

CVE-2021-31381 is associated with CWE-16 (Configuration).

How can I mitigate CVE-2021-31381?

Juniper Networks has released a security advisory (JSA11248) with remediation steps for CVE-2021-31381. Please refer to the advisory for detailed instructions.

Vulnerability/
CVE-2021-31381

critical

9.1

CWE

16 200

19/10/2021

16/9/2024

CVE-2021-31381: SRC Series: A remote attacker sending a specially crafted query may cause the web server to delete files

First published: Tue Oct 19 2021(Updated: )

A configuration weakness in the JBoss Application Server (AppSvr) component of Juniper Networks SRC Series allows a remote attacker to send a specially crafted query to cause the web server to delete files which may allow the attacker to disrupt the integrity and availability of the system.

Credit: sirt@juniper.net

Affected Software	Affected Version	How to fix
Juniper Session and Resource Control	<4.12.0r5
Juniper Session and Resource Control	>=4.13.0r1<4.13.0r3

Remedy

https://kb.juniper.net/JSA11248

Remedy

The following software releases have been updated to resolve this specific issue: 4.12.0R5, 4.13.0R3, and all subsequent releases.

Never miss a vulnerability like this again

Reference Links

https://kb.juniper.net/JSA11248

Frequently Asked Questions

What is CVE-2021-31381?
CVE-2021-31381 is a vulnerability in the JBoss Application Server (AppSvr) component of Juniper Networks SRC Series that allows a remote attacker to delete files and disrupt system integrity and availability.
How severe is CVE-2021-31381?
CVE-2021-31381 has a severity rating of 9.1 (Critical).
What software is affected by CVE-2021-31381?
Juniper Session and Resource Control versions between 4.12.0r5 and 4.13.0r3 are affected by CVE-2021-31381.
What is the Common Weakness Enumeration (CWE) ID for CVE-2021-31381?
CVE-2021-31381 is associated with CWE-16 (Configuration).
How can I mitigate CVE-2021-31381?
Juniper Networks has released a security advisory (JSA11248) with remediation steps for CVE-2021-31381. Please refer to the advisory for detailed instructions.

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