CVE-2022-22221: Junos OS: SRX and EX Series: Local privilege escalation flaw in "download" functionality
An Improper Neutralization of Special Elements vulnerability in the download manager of Juniper Networks Junos OS on SRX Series and EX Series allows a locally authenticated attacker with low privileges to take full control over the device. One aspect of this vulnerability is that the attacker needs to be able to execute any of the "request ..." or "show system download ..." commands. This issue affects Juniper Networks Junos OS on SRX Series and EX Series: All versions prior to 19.2R1-S9, 19.2R3-S5; 19.3 versions prior to 19.3R3-S6; 19.4 versions prior to 19.4R3-S8; 20.1 versions prior to 20.1R3-S4; 20.2 versions prior to 20.2R3-S4; 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S2, 20.4R3-S3; 21.1 versions prior to 21.1R3-S1; 21.2 versions prior to 21.2R2-S2, 21.2R3; 21.3 versions prior to 21.3R2, 21.3R3; 21.4 versions prior to 21.4R1-S1, 21.4R2.
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Frequently Asked Questions
What is the severity of CVE-2022-22221?
CVE-2022-22221 is rated as a high-severity vulnerability that allows a locally authenticated attacker to gain full control over affected devices.
How do I fix CVE-2022-22221?
To fix CVE-2022-22221, apply the available software updates provided by Juniper Networks for affected Junos OS versions.
Which versions of Junos OS are affected by CVE-2022-22221?
CVE-2022-22221 affects Junos OS versions prior to 19.4 and certain releases within the 19.2, 19.3, 20.1, and 20.2 series.
Can CVE-2022-22221 be exploited remotely?
No, CVE-2022-22221 can only be exploited by a locally authenticated attacker with low privileges.
What impact does CVE-2022-22221 have on affected devices?
CVE-2022-22221 allows attackers to execute arbitrary commands and gain full control of affected devices, potentially compromising their integrity and availability.