CVE-2024-47490 describes an Improper Restriction of Communication Channel vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on ACX 7000 Series devices. This flaw allows an unauthenticated, network-based attacker to trigger a Denial of Service (DoS) by sending specific transit MPLS packets that are improperly forwarded to the Routing Engine, exhausting resources. The vulnerability has a CVSS score of 8.2 (HIGH), indicating a severe impact with low attack complexity. An attacker can exploit this remotely without authentication, leading to a complete loss of availability for affected devices. Currently, there is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 21.4CPE matchmatch criteria | cpe:2.3:o:juniper:junos_os_evolved:*:*:*:*:*:*:*:* | ||
21.4CPE matchmatch criteria | cpe:2.3:o:juniper:junos_os_evolved:21.4:-:*:*:*:*:*:* | ||
21.4CPE matchmatch criteria | cpe:2.3:o:juniper:junos_os_evolved:21.4:r1:*:*:*:*:*:* | ||
21.4CPE matchmatch criteria | cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s1:*:*:*:*:*:* | ||
21.4CPE matchmatch criteria | cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s2:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:H/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, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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.