Use after free in Juniper Junos OS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
A Use After Free vulnerability in the Advanced Forwarding Toolkit (AFT) manager process (aftmand) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause a kernel crash due to intensive polling of Abstracted Fabric (AF) interface statistics and thereby a Denial of Service (DoS). Continued gathering of AF interface statistics will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on MX Series: 20.1 versions later than 20.1R1; 20.2 versions prior to 20.2R3-S5; 20.3 versions prior to 20.3R3-S4; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2; 21.2 versions prior to 21.2R2.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Juniper | Junos OS | 20.1R1 and later; 20.2 to before 20.2R3-S5; 20.3 to before 20.3R3-S4; 20.4 to before 20.4R3; 21.1 to before 21.1R2; 21.2 to before 21.2R2 | 20.2R3-S5, 20.3R3-S4, 20.4R3, 21.1R2, 21.2R2 | Patch available | CNA |
- Junos OS VendorJuniper Affected 20.1R1 and later; 20.2 to before 20.2R3-S5; 20.3 to before 20.3R3-S4; 20.4 to before 20.4R3; 21.1 to before 21.1R2; 21.2 to before 21.2R2 Fixed in 20.2R3-S5, 20.3R3-S4, 20.4R3, 21.1R2, 21.2R2 Patch available CNA
CPE configurations NVD · 65
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:juniper:junos:20.1:r1-s1:*:*:*:*:*:* | 20.1 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.1:r1-s2:*:*:*:*:*:* | 20.1 r1-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.1:r1-s3:*:*:*:*:*:* | 20.1 r1-s3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.1:r1-s4:*:*:*:*:*:* | 20.1 r1-s4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.1:r2:*:*:*:*:*:* | 20.1 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.1:r2-s1:*:*:*:*:*:* | 20.1 r2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.1:r2-s2:*:*:*:*:*:* | 20.1 r2-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.1:r3:*:*:*:*:*:* | 20.1 r3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.1:r3-s1:*:*:*:*:*:* | 20.1 r3-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.1:r3-s2:*:*:*:*:*:* | 20.1 r3-s2 | Vulnerable | Juniper |
- cpe:2.3:o:juniper:junos:20.1:r1-s1:*:*:*:*:*:* Versions 20.1 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.1:r1-s2:*:*:*:*:*:* Versions 20.1 r1-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.1:r1-s3:*:*:*:*:*:* Versions 20.1 r1-s3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.1:r1-s4:*:*:*:*:*:* Versions 20.1 r1-s4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.1:r2:*:*:*:*:*:* Versions 20.1 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.1:r2-s1:*:*:*:*:*:* Versions 20.1 r2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.1:r2-s2:*:*:*:*:*:* Versions 20.1 r2-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.1:r3:*:*:*:*:*:* Versions 20.1 r3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.1:r3-s1:*:*:*:*:*:* Versions 20.1 r3-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.1:r3-s2:*:*:*:*:*:* Versions 20.1 r3-s2 Vulnerable ·Juniper
Show 55 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:juniper:junos:20.1:r3-s3:*:*:*:*:*:* | 20.1 r3-s3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.2:-:*:*:*:*:*:* | 20.2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.2:r1:*:*:*:*:*:* | 20.2 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.2:r1-s1:*:*:*:*:*:* | 20.2 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.2:r1-s2:*:*:*:*:*:* | 20.2 r1-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.2:r1-s3:*:*:*:*:*:* | 20.2 r1-s3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.2:r2:*:*:*:*:*:* | 20.2 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.2:r2-s1:*:*:*:*:*:* | 20.2 r2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.2:r2-s2:*:*:*:*:*:* | 20.2 r2-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.2:r2-s3:*:*:*:*:*:* | 20.2 r2-s3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.2:r3:*:*:*:*:*:* | 20.2 r3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.2:r3-s1:*:*:*:*:*:* | 20.2 r3-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.2:r3-s2:*:*:*:*:*:* | 20.2 r3-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.2:r3-s3:*:*:*:*:*:* | 20.2 r3-s3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.2:r3-s4:*:*:*:*:*:* | 20.2 r3-s4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.3:-:*:*:*:*:*:* | 20.3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.3:r1:*:*:*:*:*:* | 20.3 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.3:r1-s1:*:*:*:*:*:* | 20.3 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.3:r1-s2:*:*:*:*:*:* | 20.3 r1-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.3:r2:*:*:*:*:*:* | 20.3 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.3:r2-s1:*:*:*:*:*:* | 20.3 r2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.3:r3:*:*:*:*:*:* | 20.3 r3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.3:r3-s1:*:*:*:*:*:* | 20.3 r3-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.3:r3-s2:*:*:*:*:*:* | 20.3 r3-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.3:r3-s3:*:*:*:*:*:* | 20.3 r3-s3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.4:-:*:*:*:*:*:* | 20.4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.4:r1:*:*:*:*:*:* | 20.4 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.4:r1-s1:*:*:*:*:*:* | 20.4 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.4:r2:*:*:*:*:*:* | 20.4 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.4:r2-s1:*:*:*:*:*:* | 20.4 r2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.4:r2-s2:*:*:*:*:*:* | 20.4 r2-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.1:-:*:*:*:*:*:* | 21.1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.1:r1:*:*:*:*:*:* | 21.1 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.1:r1-s1:*:*:*:*:*:* | 21.1 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.2:-:*:*:*:*:*:* | 21.2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.2:r1:*:*:*:*:*:* | 21.2 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.2:r1-s1:*:*:*:*:*:* | 21.2 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.2:r1-s2:*:*:*:*:*:* | 21.2 r1-s2 | Vulnerable | Juniper |
| cpe:2.3:h:juniper:mx10:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx10000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx10003:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx10008:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx10016:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx104:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx150:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx2008:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx2010:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx2020:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx204:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx240:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx40:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx480:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx5:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx80:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:mx960:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
- cpe:2.3:o:juniper:junos:20.1:r3-s3:*:*:*:*:*:* Versions 20.1 r3-s3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.2:-:*:*:*:*:*:* Versions 20.2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.2:r1:*:*:*:*:*:* Versions 20.2 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.2:r1-s1:*:*:*:*:*:* Versions 20.2 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.2:r1-s2:*:*:*:*:*:* Versions 20.2 r1-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.2:r1-s3:*:*:*:*:*:* Versions 20.2 r1-s3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.2:r2:*:*:*:*:*:* Versions 20.2 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.2:r2-s1:*:*:*:*:*:* Versions 20.2 r2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.2:r2-s2:*:*:*:*:*:* Versions 20.2 r2-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.2:r2-s3:*:*:*:*:*:* Versions 20.2 r2-s3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.2:r3:*:*:*:*:*:* Versions 20.2 r3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.2:r3-s1:*:*:*:*:*:* Versions 20.2 r3-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.2:r3-s2:*:*:*:*:*:* Versions 20.2 r3-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.2:r3-s3:*:*:*:*:*:* Versions 20.2 r3-s3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.2:r3-s4:*:*:*:*:*:* Versions 20.2 r3-s4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.3:-:*:*:*:*:*:* Versions 20.3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.3:r1:*:*:*:*:*:* Versions 20.3 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.3:r1-s1:*:*:*:*:*:* Versions 20.3 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.3:r1-s2:*:*:*:*:*:* Versions 20.3 r1-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.3:r2:*:*:*:*:*:* Versions 20.3 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.3:r2-s1:*:*:*:*:*:* Versions 20.3 r2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.3:r3:*:*:*:*:*:* Versions 20.3 r3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.3:r3-s1:*:*:*:*:*:* Versions 20.3 r3-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.3:r3-s2:*:*:*:*:*:* Versions 20.3 r3-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.3:r3-s3:*:*:*:*:*:* Versions 20.3 r3-s3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.4:-:*:*:*:*:*:* Versions 20.4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.4:r1:*:*:*:*:*:* Versions 20.4 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.4:r1-s1:*:*:*:*:*:* Versions 20.4 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.4:r2:*:*:*:*:*:* Versions 20.4 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.4:r2-s1:*:*:*:*:*:* Versions 20.4 r2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.4:r2-s2:*:*:*:*:*:* Versions 20.4 r2-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.1:-:*:*:*:*:*:* Versions 21.1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.1:r1:*:*:*:*:*:* Versions 21.1 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.1:r1-s1:*:*:*:*:*:* Versions 21.1 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.2:-:*:*:*:*:*:* Versions 21.2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.2:r1:*:*:*:*:*:* Versions 21.2 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.2:r1-s1:*:*:*:*:*:* Versions 21.2 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.2:r1-s2:*:*:*:*:*:* Versions 21.2 r1-s2 Vulnerable ·Juniper
- cpe:2.3:h:juniper:mx10:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx10000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx10003:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx10008:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx10016:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx104:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx150:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx2008:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx2010:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx2020:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx204:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx240:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx40:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx480:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx5:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx80:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:mx960:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
Remediation
- Fix · CNA Junos OS (Juniper Networks) Fixed in 20.2R3-S5, 20.3R3-S4, 20.4R3, 21.1R2, 21.2R2
Timeline
- 2026-10-02 Threatist record created from CVE-2022-22207
- 2026-10-03 Alias added: GHSA-9ggh-wwvp-m5qw
References
Advisory 1
More Juniper Junos vulnerabilities
- TI-2023-18638 Junos OS: EX and SRX Series: A PHP vulnerability in J-Web allows an unauthenticated to… KEVCVSS 3.1CRITICAL 9.8
- TI-2020-01585 Out of Cycle Security Advisory: Junos OS: Security vulnerability in J-Web and web based (HTTP/HTTPS) services KEVCVSS 3.1CRITICAL 9.8
- TI-2015-04610 Assertion failure in ISC BIND named via TKEY queries KEVCVSS 3.1HIGH 7.5
- TI-2025-15550 Junos OS: An local attacker with shell access can execute arbitrary code KEVCVSS 4.0MEDIUM 6.7
- TI-2023-18644 Junos OS: SRX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload and download arbitrary files KEVCVSS 3.1MEDIUM 5.3
- TI-2023-18640 Junos OS: EX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload arbitrary files KEVCVSS 3.1MEDIUM 5.3
Sources
- CVE-2022-22207 · CVE Program
- CVE-2022-22207 · NVD
- FIRST EPSS
- GHSA-9ggh-wwvp-m5qw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences