CVE-2021-0293 is a memory leak vulnerability in Juniper Networks Junos OS, affecting versions 18.2 through 20.3, caused by the 'show system connections extensive' CLI command. Repeated execution of this command leads to memory exhaustion, potentially crashing daemons and the kernel, resulting in a sustained Denial of Service (DoS) condition. With a CVSS score of 5.5 (Medium), this vulnerability requires local access and low privileges (AV:L/PR:L) to exploit, leading to high availability impact (A:H). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 18.3, < 18.3R3-S4CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
>= 20.1, < 20.1R2CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
18.2CPE matchmatch criteria | cpe:2.3:o:juniper:junos:18.2:-:*:*:*:*:*:* | ||
18.2CPE matchmatch criteria | cpe:2.3:o:juniper:junos:18.2:r1:*:*:*:*:*:* | ||
18.2CPE matchmatch criteria | cpe:2.3:o:juniper:junos:18.2:r1:-:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.