CVE-2024-39537
Junos OS Evolved: ACX7000 Series: Ports which have been inadvertently exposed can be reached over the network
An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved on ACX 7000 Series allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to the device.
Due to a wrong initialization, specific processes which should only be able to communicate internally within the device can be reached over the network via open ports.
This issue affects Junos OS Evolved on ACX 7000 Series:
- All versions before 21.4R3-S7-EVO,
- 22.2-EVO
versions
before 22.2R3-S4-EVO,
- 22.3-EVO versions before 22.3R3-S3-EVO,
- 22.4-EVO versions before 22.4R3-S2-EVO,
- 23.2-EVO versions before 23.2R2-EVO,
- 23.4-EVO versions before 23.4R1-S1-EVO, 23.4R2-EVO.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Junos OS Evolved: ACX7000 Series: Ports which have been inadvertently exposed can be reached over the network
An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved on ACX 7000 Series allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to the device.
Due to a wrong initialization, specific processes which should only be able to communicate internally within the device can be reached over the network via open ports.
This issue affects Junos OS Evolved on ACX 7000 Series:
- All versions before 21.4R3-S7-EVO,
- 22.2-EVO
versions
before 22.2R3-S4-EVO,
- 22.3-EVO versions before 22.3R3-S3-EVO,
- 22.4-EVO versions before 22.4R3-S2-EVO,
- 23.2-EVO versions before 23.2R2-EVO,
- 23.4-EVO versions before 23.4R1-S1-EVO, 23.4R2-EVO.
- Record
CVE-2024-39537- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L - Weakness
- CWE-923
- Updated
- 2026-11-02
EUVDEUVD-2024-38063
An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved on ACX 7000 Series allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to the device.
Due to a wrong initialization, specific processes which should only be able to communicate internally within the device can be reached over the network via open ports.
This issue affects Junos OS Evolved on ACX 7000 Series:
- All versions before 21.4R3-S7-EVO,
- 22.2-EVO
versions
before 22.2R3-S4-EVO,
- 22.3-EVO versions before 22.3R3-S3-EVO,
- 22.4-EVO versions before 22.4R3-S2-EVO,
- 23.2-EVO versions before 23.2R2-EVO,
- 23.4-EVO versions before 23.4R1-S1-EVO, 23.4R2-EVO.
- Record
EUVD-2024-38063- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8r2p-hq88-fpcf
An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper...
An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved on ACX 7000 Series allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to the device.
Due to a wrong initialization, specific processes which should only be able to communicate internally within the device can be reached over the network via open ports.
This issue affects Junos OS Evolved on ACX 7000 Series:
- All versions before 21.4R3-S7-EVO,
- 22.2-EVO
versions
before 22.2R3-S4-EVO,
- 22.3-EVO versions before 22.3R3-S3-EVO,
- 22.4-EVO versions before 22.4R3-S2-EVO,
- 23.2-EVO versions before 23.2R2-EVO,
- 23.4-EVO versions before 23.4R1-S1-EVO, 23.4R2-EVO.
- Record
GHSA-8r2p-hq88-fpcf- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/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 - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L - Weakness
- CWE-923
- Updated
- 2026-11-02
NVD
An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved on ACX 7000 Series allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to the device.
Due to a wrong initialization, specific processes which should only be able to communicate internally within the device can be reached over the network via open ports.
This issue affects Junos OS Evolved on ACX 7000 Series:
- All versions before 21.4R3-S7-EVO,
- 22.2-EVO
versions
before 22.2R3-S4-EVO,
- 22.3-EVO versions before 22.3R3-S3-EVO,
- 22.4-EVO versions before 22.4R3-S2-EVO,
- 23.2-EVO versions before 23.2R2-EVO,
- 23.4-EVO versions before 23.4R1-S1-EVO, 23.4R2-EVO.
- Record
CVE-2024-39537- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/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 - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L - Weakness
- CWE-923
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-39537 is a medium vulnerability (CVSS 6.9) in Juniper Junos Os Evolved, published July 11, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. No source names a fixed version.