Medium severity · published Oct 13, 2023
CVE-2023-44196
An Improper Check for Unusual or Exceptional Conditions in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS Evolved on PTX10003 Series allows an unauthenticated…
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
An Improper Check for Unusual or Exceptional Conditions in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS Evolved on PTX10003 Series allows an unauthenticated adjacent attacker to cause an impact to the integrity of the system.
When specific transit MPLS packets are received by the PFE, these packets are internally forwarded to the RE. This issue is a prerequisite for CVE-2023-44195.
This issue affects Juniper Networks Junos OS Evolved:
* All versions prior to 20.4R3-S8-EVO;
* 21.1-EVO version 21.1R1-EVO and later;
* 21.2-EVO versions prior to 21.2R3-S6-EVO;
* 21.3-EVO version 21.3R1-EVO and later;
* 21.4-EVO versions prior to 21.4R3-S3-EVO;
* 22.1-EVO versions prior to 22.1R3-S4-EVO;
* 22.2-EVO versions prior to 22.2R3-S3-EVO;
* 22.3-EVO versions prior to 22.3R2-S2-EVO, 22.3R3-EVO;
* 22.4-EVO versions prior to 22.4R2-EVO.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JO
Junos OS Evolved · Juniper
before 20.4; 20.4; 20.4; 20.4; 20.4; 20.4; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-44196
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-44196
Vendor Advisory
https://supportportal.juniper.net/JSA73162
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