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HIGH · 7.5

CVE-2022-22218

On SRX Series devices, an Improper Check for Unusual or Exceptional Conditions when using Certificate Management Protocol Version 2 (CMPv2) auto re-enrollment, allows a network-based, unauthenticated ...

Vulnerability Description

On SRX Series devices, an Improper Check for Unusual or Exceptional Conditions when using Certificate Management Protocol Version 2 (CMPv2) auto re-enrollment, allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS) by crashing the pkid process. The pkid process cannot handle an unexpected response from the Certificate Authority (CA) server, leading to crash. A restart is required to restore services. This issue affects: Juniper Networks Junos OS on SRX Series: All versions prior to 19.1R3-S9; 19.2 versions prior to 19.2R3-S6; 19.3 versions prior to 19.3R3-S7; 19.4 versions prior to 19.4R3-S9; 20.2 versions prior to 20.2R3-S5; 20.3 versions prior to 20.3R3-S4; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3-S1; 21.2 versions prior to 21.2R3; 21.3 versions prior to 21.3R2; 21.4 versions prior to 21.4R2.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
JuniperJunos< 19.1
JuniperSrx100-
JuniperSrx110-
JuniperSrx1400-
JuniperSrx1500-
JuniperSrx210-
JuniperSrx220-
JuniperSrx240-
JuniperSrx240H2-
JuniperSrx240M-
JuniperSrx300-
JuniperSrx320-
JuniperSrx340-
JuniperSrx3400-
JuniperSrx345-
JuniperSrx3600-
JuniperSrx380-
JuniperSrx4000-
JuniperSrx4100-
JuniperSrx4200-

Related Weaknesses (CWE)

CWE-754

References

FAQ

What is CVE-2022-22218?

CVE-2022-22218 is a vulnerability with a CVSS score of 7.5 (HIGH). On SRX Series devices, an Improper Check for Unusual or Exceptional Conditions when using Certificate Management Protocol Version 2 (CMPv2) auto re-enrollment, allows a network-based, unauthenticated ...

How severe is CVE-2022-22218?

CVE-2022-22218 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-22218?

Check the references section above for vendor advisories and patch information. Affected products include: Juniper Junos, Juniper Srx100, Juniper Srx110, Juniper Srx1400, Juniper Srx1500.