CVE-2021-0210

Junos OS: Privilege escalation in J-Web due to arbitrary command and code execution via information disclosure from another users active session

State: Published
Severity: 6.8 Medium
Published: Jan 15, 2021
Updated: Sep 16, 2024
Reserved: Oct 27, 2020

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Description

An Information Exposure vulnerability in J-Web of Juniper Networks Junos OS allows an unauthenticated attacker to elevate their privileges over the target system through opportunistic use of an authenticated users session. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S17; 17.3 versions prior to 17.3R3-S10; 17.4 versions prior to 17.4R2-S12, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S6; 18.3 versions prior to 18.3R2-S4, 18.3R3-S4; 18.4 versions prior to 18.4R2-S5, 18.4R3-S5; 19.1 versions prior to 19.1R1-S6, 19.1R2-S2, 19.1R3-S3; 19.2 versions prior to 19.2R1-S5, 19.2R3, 19.2R3-S1; 19.3 versions prior to 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2-S2, 19.4R3; 20.1 versions prior to 20.1R1-S4, 20.1R2; 20.2 versions prior to 20.2R1-S1, 20.2R2.

Scores

CVSS	Score	Vector	Source
3.1	6.8 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N	juniper

Weaknesses

CWE-200 Information Exposure

Affected Products

Product	Versions
Junos OSJuniper Networks	12.3 to before 12.3R12-S17Affected 17.3 to before 17.3R3-S10Affected 17.4 to before 17.4R2-S12, 17.4R3-S3Affected 18.1 to before 18.1R3-S11Affected 18.2 to before 18.2R3-S6Affected 18.3 to before 18.3R2-S4, 18.3R3-S4Affected 18.4 to before 18.4R2-S5, 18.4R3-S5Affected 19.1 to before 19.1R1-S6, 19.1R2-S2, 19.1R3-S3Affected 19.2 to before 19.2R1-S5, 19.2R3, 19.2R3-S1Affected 19.3 to before 19.3R2-S4, 19.3R3Affected 19.4 to before 19.4R1-S3, 19.4R2-S2, 19.4R3Affected 20.1 to before 20.1R1-S4, 20.1R2Affected 20.2 to before 20.2R1-S1, 20.2R2Affected

Product

Versions

Junos OSJuniper Networks

12.3 to before 12.3R12-S17Affected
17.3 to before 17.3R3-S10Affected
17.4 to before 17.4R2-S12, 17.4R3-S3Affected
18.1 to before 18.1R3-S11Affected
18.2 to before 18.2R3-S6Affected
18.3 to before 18.3R2-S4, 18.3R3-S4Affected
18.4 to before 18.4R2-S5, 18.4R3-S5Affected
19.1 to before 19.1R1-S6, 19.1R2-S2, 19.1R3-S3Affected
19.2 to before 19.2R1-S5, 19.2R3, 19.2R3-S1Affected
19.3 to before 19.3R2-S4, 19.3R3Affected
19.4 to before 19.4R1-S3, 19.4R2-S2, 19.4R3Affected
20.1 to before 20.1R1-S4, 20.1R2Affected
20.2 to before 20.2R1-S1, 20.2R2Affected

References

https://kb.juniper.net/JSA11100

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