CVE-2024-30378 is a Use After Free vulnerability in Juniper Networks Junos OS on MX Series devices, affecting specific versions prior to 20.4R3-S5, 21.1R3-S4, 21.2R3-S3, 21.3R3-S5, 21.4R3-S5, 22.1R3, 22.2R3, and 22.3R2. A local, authenticated attacker can trigger a Denial of Service (DoS) by executing particular CLI commands, causing the broadband edge service manager daemon (bbe-smgd) to crash and restart, temporarily preventing new subscriber connections. The vulnerability has a CVSS score of 5.5 (Medium), indicating a low attack complexity and requiring local authentication, with a high impact on availability. This issue specifically arises when Graceful Routing Engine Switchover (GRES) and Subscriber Management are enabled. Currently, there is no evidence of active exploitation, and no public exploit code is available on platforms like Metasploit or ExploitDB. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 20.4CPE matchmatch criteria | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
20.4CPE matchmatch criteria | cpe:2.3:o:juniper:junos:20.4:-:*:*:*:*:*:* | ||
20.4CPE matchmatch criteria | cpe:2.3:o:juniper:junos:20.4:r1:*:*:*:*:*:* | ||
20.4CPE matchmatch criteria | cpe:2.3:o:juniper:junos:20.4:r1-s1:*:*:*:*:*:* | ||
20.4CPE matchmatch criteria | cpe:2.3:o:juniper:junos:20.4:r2:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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.
Remediation records are not available for this CVE.