CVE-2021-0253 is a local command execution vulnerability in Juniper Networks Junos OS on NFX Series devices, allowing an attacker to elevate privileges via the Junos Device Management Daemon (JDMD) process. This affects various Junos OS versions from 17.2R1 up to specific releases in the 19.4 train. With a CVSS score of 7.8 (HIGH), exploitation requires local access and low privileges, but can lead to high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 19.4, < 19.4R2-S2CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
< 18.3R3-S4CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
>= 19.1, < 19.1R1-S3CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
>= 19.3, < 19.3R3CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
17.2CPE matchmatch criteria | cpe:2.3:o:juniper:junos:17.2:r1:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.