Vulnerability Details : CVE-2023-36835
An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX10000 Series allows a network based attacker to cause a Denial of Service (DoS).
If a specific valid IP packet is received and that packet needs to be routed over a VXLAN tunnel, this will result in a PFE wedge condition due to which traffic gets impacted. As this is not a crash and restart scenario, this condition will persist until the system is rebooted to recover.
This issue affects Juniper Networks Junos OS on QFX10000:
20.3 version 20.3R1 and later versions;
20.4 versions prior to 20.4R3-S5;
21.1 versions prior to 21.1R3-S5;
21.2 versions prior to 21.2R3-S5;
21.3 versions prior to 21.3R3-S4;
21.4 versions prior to 21.4R3-S1;
22.1 versions prior to 22.1R3;
22.2 versions prior to 22.2R2;
22.3 versions prior to 22.3R1-S2, 22.3R2.
Vulnerability category: Denial of service
Products affected by CVE-2023-36835
- cpe:2.3:o:juniper:junos:20.3:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.4:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.3:r1-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.4:r1-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.3:r2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.3:r2-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.1:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.4:r2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.4:r2-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.1:r1-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.2:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.3:r3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.1:r2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.2:r1-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.4:r3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.2:r2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.3:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.3:r3-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.4:-:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.4:r2-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.1:-:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.1:r2-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.2:-:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.4:r3-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.2:r1-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.1:r2-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.1:r3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.3:r1-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.3:r3-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.2:r2-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.2:r2-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.3:r1-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.4:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.4:r1-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.4:r1-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.1:r3-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.3:r2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.3:r2-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.3:r2-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.3:r1-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.3:r3-s3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.4:r3-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.2:r3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:22.1:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.4:r3-s3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.4:-:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.3:-:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.4:r2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.4:r2-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.4:r2-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:22.1:r1-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:22.1:r1-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.3:r3-s4:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.3:r3-s5:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.1:r3-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.3:r3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.3:r3-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.2:r3-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.2:r3-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:22.1:r2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:22.1:r2-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:22.2:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:22.2:r1-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:22.3:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.4:r3-s4:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.1:r3-s3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.3:r3-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.3:r3-s6:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:22.2:r1-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.4:r3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:22.1:r2-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.1:r3-s4:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.2:r3-s3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.3:r3-s3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:22.3:r1-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.2:r3-s4:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-36835
0.19%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-36835
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
Juniper Networks, Inc. |
CWE ids for CVE-2023-36835
-
The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.Assigned by: sirt@juniper.net (Primary)
References for CVE-2023-36835
-
https://supportportal.juniper.net/JSA71642
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