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Fencer Vulns
medium 5.0

CVE-2024-21615 json

Junos OS and Junos OS Evolved: A low-privileged user can access confidential information

published 2024-04-12 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-19263

cvss
5.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 4%
public exploits
0
none known

Summary

An Incorrect Default Permissions vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged attacker to access confidential information on the system.

On all Junos OS and Junos OS Evolved platforms, when NETCONF traceoptions are configured, and a super-user performs specific actions via NETCONF, then a low-privileged user can access sensitive information compromising the confidentiality of the system. This issue affects:

Junos OS:

* all versions before 21.2R3-S7,

* from 21.4 before 21.4R3-S5,

* from 22.1 before 22.1R3-S5,

* from 22.2 before 22.2R3-S3,

* from 22.3 before 22.3R3-S2,

* from 22.4 before 22.4R3,

* from 23.2 before 23.2R1-S2.

Junos OS Evolved:

* all versions before 21.2R3-S7-EVO,

* from 21.3 before 21.3R3-S5-EVO,

* from 21.4 before 21.4R3-S5-EVO,

* from 22.1 before 22.1R3-S5-EVO,

* from 22.2 before 22.2R3-S3-EVO,

* from 22.3 before 22.3R3-S2-EVO,

* from 22.4 before 22.4R3-EVO,

* from 23.2 before 23.2R1-S2.

Patch / fix

  • Juniper Networks Junos OS 21.2R3-S7, 21.4R3-S5, 22.1R3-S5, 22.2R3-S3, 22.3R3-S2, 22.4R3, 23.2R1-S2
  • Juniper Networks Junos OS Evolved 21.2R3-S7-EVO, 21.3R3-S5-EVO, 21.4R3-S5-EVO, 22.1R3-S5-EVO, 22.2R3-S3-EVO, 22.3R3-S2-EVO, 22.4R3-EVO, 23.2R1-S2

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.0 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
CNA 4.0 5.1 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N
CNA 4.0 5.1 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:L/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

Affected products

  • Juniper Networks Junos OS
  • Juniper Networks Junos OS Evolved

Classification

Weakness
  • CWE-276 Incorrect Default Permissions

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.