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CVE-2024-39565

26
FAUCET Score

CVE-2024-39565 is an XPath Injection vulnerability in Juniper Networks Junos OS J-Web, allowing unauthenticated, network-based attackers to execute remote commands. This affects various Junos OS versions before 21.2R3-S8 and several later branches. With a CVSS score of 8.8 (HIGH), the vulnerability has low attack complexity and can lead to full device compromise if an administrator is logged into or recently logged out of a J-Web session. There is currently no public exploit code (Metasploit, Nuclei, ExploitDB) and no active exploitation or significant community discussion reported.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:juniper:j-web:-:*:*:*:*:*:*:*
< 21.2CPE matchmatch criteria
cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*
21.2CPE matchmatch criteria
cpe:2.3:o:juniper:junos:21.2:-:*:*:*:*:*:*
21.2CPE matchmatch criteria
cpe:2.3:o:juniper:junos:21.2:r1:*:*:*:*:*:*
21.2CPE matchmatch criteria
cpe:2.3:o:juniper:junos:21.2:r1-s1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

7.7HIGH

CVSS:4.0/AV:N/AC:H/AT:P/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:Y/R:X/V:C/RE:M/U:Amber

Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
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
0.52%
Probability of exploitation in next 30 days
EPSS Percentile
40.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0052 is in the 43rd percentile among its peer group of 14,875 CVEs.

Social Chatter

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.

Media 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 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

support.juniper.net / support/downloads
PatchProduct
supportportal.juniper.net / JSA83023
Vendor Advisory
first.org / cvss/calculator/v4-0
Vendor Advisory