CVEvulnerability
CVE-2021-0253
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-22
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-77
Description
NFX Series devices using Juniper Networks Junos OS are susceptible to a local command execution vulnerability thereby allowing an attacker to elevate their privileges via the Junos Device Management Daemon (JDMD) process. This issue affects Juniper Networks Junos OS on NFX Series 17.2 version 17.2R1 and later versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R2-S5, 18.4R3-S5; 19.1 versions prior to 19.1R1-S3; 19.2 version 19.1R2 and later versions prior to 19.2R3; 19.3 versions prior to 19.3R3; 19.4 versions prior to 19.4R2-S2. 19.4 versions 19.4R3 and above. This issue does not affect Juniper Networks Junos OS versions prior to 17.2R1. This issue does not affect the JDMD as used by Junos Node Slicing such as External Servers use in conjunction with Junos Node Slicing and In-Chassis Junos Node Slicing on MX480, MX960, MX2008, MX2010, MX2020.
Affected configurations
• juniper junos 17.2
• juniper junos 17.3
• juniper junos 17.4
• juniper junos 18.1
• juniper junos 18.2
• juniper junos 18.3
• juniper junos 18.4
• juniper junos 19.1
• juniper junos 19.2
• juniper junos 19.3
• juniper junos 19.4
Related
Weakness · CWE (1)
- CWE-77 Improper Neutralization of Special Elements used in a Command weakness
References
- https://github.com/orangecertcc/security-research/security/advisories/GHSA-vrf9-cjcp-rwcr Exploit, Third Party Advisory
- https://kb.juniper.net/JSA11146 Vendor Advisory
- https://github.com/orangecertcc/security-research/security/advisories/GHSA-vrf9-cjcp-rwcr Exploit, Third Party Advisory
- https://kb.juniper.net/JSA11146 Vendor Advisory