CVE-2022-22162

Junos OS: A low privileged user can elevate their privileges to the ones of the highest privileged j-web user logged in

Description

A Generation of Error Message Containing Sensitive Information vulnerability in the CLI of Juniper Networks Junos OS allows a locally authenticated attacker with low privileges to elevate these to the level of any other user logged in via J-Web at this time, potential leading to a full compromise of the device. This issue affects Juniper Networks Junos OS: All versions prior to 15.1R7-S11; 18.3 versions prior to 18.3R3-S6; 18.4 versions prior to 18.4R2-S9, 18.4R3-S10; 19.1 versions prior to 19.1R2-S3, 19.1R3-S7; 19.2 versions prior to 19.2R1-S8, 19.2R3-S4; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R2-S1, 21.1R3; 21.2 versions prior to 21.2R1-S1, 21.2R2.

Remediation

Solution:

  • The following software releases have been updated to resolve this specific issue: 15.1R7-S11, 18.3R3-S6, 18.4R2-S9, 18.4R3-S10, 19.1R2-S3, 19.1R3-S7, 19.2R1-S8, 19.2R3-S4, 19.3R3-S4, 19.4R3-S6, 20.1R3-S2, 20.2R3-S3, 20.3R3-S1, 20.4R3-S1, 21.1R2-S1, 21.1R3, 21.2R1-S1, 21.2R2, 21.3R1, and all subsequent releases.

Workaround:

  • There are no viable workarounds for this issue other than disabling J-Web. To reduce the risk of exploitation of this issue, use access lists or firewall filters to limit access to only trusted administrative networks, hosts and users.

Category

7.3
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.13%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS
Published at:
Updated at:

References

Link Tags
https://kb.juniper.net/JSA11270 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-22162?
CVE-2022-22162 has been scored as a high severity vulnerability.
How to fix CVE-2022-22162?
To fix CVE-2022-22162: The following software releases have been updated to resolve this specific issue: 15.1R7-S11, 18.3R3-S6, 18.4R2-S9, 18.4R3-S10, 19.1R2-S3, 19.1R3-S7, 19.2R1-S8, 19.2R3-S4, 19.3R3-S4, 19.4R3-S6, 20.1R3-S2, 20.2R3-S3, 20.3R3-S1, 20.4R3-S1, 21.1R2-S1, 21.1R3, 21.2R1-S1, 21.2R2, 21.3R1, and all subsequent releases.
Is CVE-2022-22162 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-22162 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-22162?
CVE-2022-22162 affects Juniper Networks Junos OS.
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