7.8

CVE-2021-0223

A local privilege escalation vulnerability in telnetd.real of Juniper Networks Junos OS may allow a locally authenticated shell user to escalate privileges and execute arbitrary commands as root. telnetd.real is shipped with setuid permissions enabled and is owned by the root user, allowing local users to run telnetd.real with root privileges. This issue affects Juniper Networks Junos OS: all versions prior to 15.1R7-S9; 17.3 versions prior to 17.3R3-S11; 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-S7, 18.4R3-S6; 19.1 versions prior to 19.1R2-S2, 19.1R3-S4; 19.2 versions prior to 19.2R1-S6, 19.2R3-S1; 19.3 versions prior to 19.3R3-S1; 19.4 versions prior to 19.4R2-S2, 19.4R3; 20.1 versions prior to 20.1R1-S4, 20.1R2; 20.2 versions prior to 20.2R2.

Data is provided by the National Vulnerability Database (NVD)
JuniperJunos Version15.1 Update-
JuniperJunos Version15.1 Updatea1
JuniperJunos Version15.1 Updatef
JuniperJunos Version15.1 Updatef1
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JuniperJunos Version15.1 Updatef2-s1
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JuniperJunos Version15.1 Updater1
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JuniperJunos Version17.3 Update-
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JuniperJunos Version17.4 Update-
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JuniperJunos Version18.1 Update-
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JuniperJunos Version18.2 Update-
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JuniperJunos Version19.1 Update-
JuniperJunos Version19.1 Updater1
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JuniperJunos Version19.1 Updater3-s1
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JuniperJunos Version19.1 Updater3-s3
JuniperJunos Version19.2 Update-
JuniperJunos Version19.2 Updater1
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JuniperJunos Version19.3 Update-
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JuniperJunos Version20.1 Updater1
JuniperJunos Version20.1 Updater1-s1
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JuniperJunos Version20.1 Updater1-s3
JuniperJunos Version20.2 Updater1
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.04% 0.09
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.2 3.9 10
AV:L/AC:L/Au:N/C:C/I:C/A:C
sirt@juniper.net 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-250 Execution with Unnecessary Privileges

The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.

CWE-269 Improper Privilege Management

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.