Vulnerability Details : CVE-2022-22170
A Missing Release of Resource after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause a Denial of Service (DoS) by sending specific packets over VXLAN which cause heap memory to leak and on exhaustion the PFE to reset. The heap memory utilization can be monitored with the command: user@host> show chassis fpc This issue affects: Juniper Networks Junos OS 19.4 versions prior to 19.4R2-S6, 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2. This issue does not affect versions of Junos OS prior to 19.4R1.
Vulnerability category: Denial of service
Products affected by CVE-2022-22170
- cpe:2.3:o:juniper:junos:19.4:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:19.4:r1-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:19.4:r1-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:19.4:r2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:19.4:r2-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:19.4:r3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.1:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.1:r1-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.1:r1-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.1:r1-s3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.2:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.2:r1-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.3:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:19.4:r2-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.2:r1-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.1:r1-s4:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:19.4:r2-s3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:19.4:r3-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.2:r2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.2:r2-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.2:r1-s3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.1:r2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.1:r2-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.2:r2-s2:*:*:*:*:*:*
- 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:19.4:r1-s3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.2:r2-s3:*:*:*:*:*:*
- 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:19.4:r3-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.1:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.4:r2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.2:r3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.2:r3-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.4:r2-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:19.4:r3-s3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.1:r1-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.1:r3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:19.4:r3-s4:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.2:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.1:r2-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.3:r3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:19.4:r2-s4:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:19.4:r3-s5:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.1:r3-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.2:r3-s2:*:*:*:*:*:*
- 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:19.4:r2-s5:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:19.4:r1-s4:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.4:r3:*:*:*:*:*:*
- 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:r2-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:21.1:r2-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:20.1:r3-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:19.4:r3-s6:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-22170
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 43 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-22170
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
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
|
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-2022-22170
-
The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.Assigned by: sirt@juniper.net (Primary)
References for CVE-2022-22170
-
https://kb.juniper.net/JSA11277
2022-01 Security Bulletin: Junos OS and Junos OS Evolved: Specific packets over VXLAN cause memory leak and/or FPC reset (CVE-2022-22170, CVE-2022-22171) - Juniper NetworksVendor Advisory
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