Medium severity · published Jul 11, 2024
CVE-2024-39537
Junos OS Evolved: ACX7000 Series: Ports which have been inadvertently exposed can be reached over the network
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JO
Junos OS Evolved · Juniper Networks
before 21.4R3-S7-EVO; 22.2-EVO before 22.2R3-S4-EVO; 22.3-EVO before 22.3R3-S3-EVO; 22.4-EVO before 22.4R3-S2-EVO; 23.2-EVO before 23.2R2-EVO; 23.4-EVO before 23.4R1-S1-EVO, 23.4R2-EVO · source: vendor, NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-39537
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-39537
Vendor Advisory
https://supportportal.juniper.net/JSA82997
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