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CVE-2024-39512

19
FAUCET Score

CVE-2024-39512 describes an Improper Physical Access Control vulnerability in Juniper Networks Junos OS Evolved versions 23.2R2-EVO before 23.2R2-S1-EVO and 23.4R1-EVO before 23.4R2-EVO. An attacker with physical access can exploit this by disconnecting and reconnecting the console cable, resuming a previous session to potentially gain administrative privileges. This vulnerability has a CVSS score of 6.6 (Medium), indicating a physical attack vector with low complexity but high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
23.2CPE matchmatch criteria
cpe:2.3:o:juniper:junos_os_evolved:23.2:r2:*:*:*:*:*:*
23.4CPE matchmatch criteria
cpe:2.3:o:juniper:junos_os_evolved:23.4:r1:*:*:*:*:*:*
23.4CPE matchmatch criteria
cpe:2.3:o:juniper:junos_os_evolved:23.4:r1-s1:*:*:*:*:*:*
23.4CPE matchmatch criteria
cpe:2.3:o:juniper:junos_os_evolved:23.4:r1-s2:*:*:*:*:*:*
>= 23.2R2-EVO, < 23.2R2-S1-EVOCPE match
cpe:2.3:o:juniper:junos_os_evolved:*:r1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

7.0HIGH

CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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

Attack Vector
PHYSICAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.22%
Probability of exploitation in next 30 days
EPSS Percentile
12.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0022 is in the 51st percentile among its peer group of 72 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

supportportal.juniper.net / JSA82977
Vendor Advisory