Vulnerability Name:

CVE-2022-22195 (CCN-224224)

Assigned:2021-12-21
Published:2022-04-13
Updated:2022-04-21
Summary:An Improper Update of Reference Count vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to trigger a counter overflow, eventually causing a Denial of Service (DoS). This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R3-S1-EVO; 21.1 versions prior to 21.1R3-EVO; 21.2 versions prior to 21.2R3-EVO; 21.3 versions prior to 21.3R2-EVO. This issue does not affect Juniper Networks Junos OS.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:7.8 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-911
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2022-22195

Source: CONFIRM
Type: Vendor Advisory
https://kb.juniper.net/JSA69508

Vulnerable Configuration:Configuration 1:
  • cpe:/o:juniper:junos_os_evolved:*:*:*:*:*:*:*:* (Version < 20.4)
  • OR cpe:/o:juniper:junos_os_evolved:20.4:r1:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:20.4:r1-s1:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:20.4:r1-s2:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:20.4:r2:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:20.4:r2-s1:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:20.4:r2-s2:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:20.4:r2-s3:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:20.4:r3:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:21.1:r1:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:21.1:r1-s1:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:21.1:r2:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:21.2:r1:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:21.2:r1-s1:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:21.2:r2:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:21.3:r1:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:21.3:r1-s1:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    juniper junos os evolved *
    juniper junos os evolved 20.4 r1
    juniper junos os evolved 20.4 r1-s1
    juniper junos os evolved 20.4 r1-s2
    juniper junos os evolved 20.4 r2
    juniper junos os evolved 20.4 r2-s1
    juniper junos os evolved 20.4 r2-s2
    juniper junos os evolved 20.4 r2-s3
    juniper junos os evolved 20.4 r3
    juniper junos os evolved 21.1 r1
    juniper junos os evolved 21.1 r1-s1
    juniper junos os evolved 21.1 r2
    juniper junos os evolved 21.2 r1
    juniper junos os evolved 21.2 r1-s1
    juniper junos os evolved 21.2 r2
    juniper junos os evolved 21.3 r1
    juniper junos os evolved 21.3 r1-s1