Use after free in Juniper Junos OS
Key facts
- Attack vector
- Local
- Privileges required
- Low
- 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 routing protocol daemon of Juniper Networks Junos OS and Junos OS Evolved allows a locally authenticated attacker with low privileges to cause Denial of Service (DoS). In a rib sharding scenario the rpd process will crash shortly after specific CLI command is issued. This issue is more likely to occur in a scenario with high route scale (>1M routes). This issue affects: Juniper Networks Junos OS * 20.2 version 20.2R3-S5 and later versions prior to 20.2R3-S6; * 20.3 version 20.3R3-S2 and later versions prior to 20.3R3-S5; * 20.4 version 20.4R3-S1 and later versions prior to 20.4R3-S4 * 21.1 version 21.1R3 and later versions prior to 21.1R3-S3; * 21.2 version 21.2R1-S2, 21.2R2-S1 and later versions prior to 21.2R3-S2; * 21.3 version 21.3R2 and later versions prior to 21.3R3; * 21.4 versions prior to 21.4R2-S1, 21.4R3; * 22.1 versions prior to 22.1R2. Juniper Networks Junos OS Evolved * 20.4-EVO version 20.4R3-S1-EVO and later versions prior to 20.4R3-S6-EVO; * 21.2-EVO version 21.2R1-S2-EVO and later versions prior to 21.2R3-S4-EVO; * 21.3-EVO version 21.3R2-EVO and later versions prior to 21.3R3-S1-EVO; * 21.4-EVO versions prior to 21.4R2-S1-EVO, 21.4R3-EVO; * 22.1-EVO versions prior to 22.1R2-EVO.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Juniper | Junos OS | 20.2R3-S5 to before 20.2R3-S6; 20.3R3-S2 to before 20.3R3-S5; 20.4R3-S1 to before 20.4R3-S4; 21.1R3 to before 21.1R3-S3; 21.2R1-S2, 21.2R2-S1 to before 21.2R3-S2; 21.3R2 to before 21.3R3; 21.4R1 to before 21.4R2-S1, 21.4R3; 22.1R1 to before 22.1R2 | 20.2R3-S6, 20.3R3-S5, 20.4R3-S4, 21.1R3-S3, 21.2R3-S2, 21.3R3, 21.4R2-S1, 21.4R3, 22.1R2 | Patch available | CNA |
| Juniper | Junos OS Evolved | 20.4R3-S1-EVO to before 20.4R3-S6-EVO; 21.2R1-S2-EVO to before 21.2R3-S4-EVO; 21.3R2-EVO to before 21.3R3-S1-EVO; 21.4R1-EVO to before 21.4R2-S1-EVO, 21.4R3-EVO; 22.1R1-EVO to before 22.1R2-EVO | 20.4R3-S6-EVO, 21.2R3-S4-EVO, 21.3R3-S1-EVO, 21.4R2-S1-EVO, 21.4R3-EVO, 22.1R2-EVO | Patch available | CNA |
- Junos OS VendorJuniper Affected 20.2R3-S5 to before 20.2R3-S6; 20.3R3-S2 to before 20.3R3-S5; 20.4R3-S1 to before 20.4R3-S4; 21.1R3 to before 21.1R3-S3; 21.2R1-S2, 21.2R2-S1 to before 21.2R3-S2; 21.3R2 to before 21.3R3; 21.4R1 to before 21.4R2-S1, 21.4R3; 22.1R1 to before 22.1R2 Fixed in 20.2R3-S6, 20.3R3-S5, 20.4R3-S4, 21.1R3-S3, 21.2R3-S2, 21.3R3, 21.4R2-S1, 21.4R3, 22.1R2 Patch available CNA
- Junos OS Evolved VendorJuniper Affected 20.4R3-S1-EVO to before 20.4R3-S6-EVO; 21.2R1-S2-EVO to before 21.2R3-S4-EVO; 21.3R2-EVO to before 21.3R3-S1-EVO; 21.4R1-EVO to before 21.4R2-S1-EVO, 21.4R3-EVO; 22.1R1-EVO to before 22.1R2-EVO Fixed in 20.4R3-S6-EVO, 21.2R3-S4-EVO, 21.3R3-S1-EVO, 21.4R2-S1-EVO, 21.4R3-EVO, 22.1R2-EVO Patch available CNA
CPE configurations NVD · 53
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:juniper:junos:20.2:r3-s5:*:*:*:*:*:* | 20.2 r3-s5 | 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:20.3:r3-s4:*:*:*:*:*:* | 20.3 r3-s4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.4:r3-s1:*:*:*:*:*:* | 20.4 r3-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.4:r3-s2:*:*:*:*:*:* | 20.4 r3-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:20.4:r3-s3:*:*:*:*:*:* | 20.4 r3-s3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.1:r3:*:*:*:*:*:* | 21.1 r3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.1:r3-s1:*:*:*:*:*:* | 21.1 r3-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.1:r3-s2:*:*:*:*:*:* | 21.1 r3-s2 | Vulnerable | Juniper |
- cpe:2.3:o:juniper:junos:20.2:r3-s5:*:*:*:*:*:* Versions 20.2 r3-s5 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:20.3:r3-s4:*:*:*:*:*:* Versions 20.3 r3-s4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.4:r3-s1:*:*:*:*:*:* Versions 20.4 r3-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.4:r3-s2:*:*:*:*:*:* Versions 20.4 r3-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:20.4:r3-s3:*:*:*:*:*:* Versions 20.4 r3-s3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.1:r3:*:*:*:*:*:* Versions 21.1 r3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.1:r3-s1:*:*:*:*:*:* Versions 21.1 r3-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.1:r3-s2:*:*:*:*:*:* Versions 21.1 r3-s2 Vulnerable ·Juniper
Show 43 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:juniper:junos:21.2:r1-s2:*:*:*:*:*:* | 21.2 r1-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.2:r2-s1:*:*:*:*:*:* | 21.2 r2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.2:r2-s2:*:*:*:*:*:* | 21.2 r2-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.2:r3:*:*:*:*:*:* | 21.2 r3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.2:r3-s1:*:*:*:*:*:* | 21.2 r3-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.3:r2:*:*:*:*:*:* | 21.3 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.3:r2-s1:*:*:*:*:*:* | 21.3 r2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.3:r2-s2:*:*:*:*:*:* | 21.3 r2-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.4:-:*:*:*:*:*:* | 21.4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.4:r1:*:*:*:*:*:* | 21.4 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.4:r1-s1:*:*:*:*:*:* | 21.4 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.4:r1-s2:*:*:*:*:*:* | 21.4 r1-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.4:r2:*:*:*:*:*:* | 21.4 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:21.4:r3:*:*:*:*:*:* | 21.4 r3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:22.1:r1:*:*:*:*:*:* | 22.1 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:22.1:r1-s1:*:*:*:*:*:* | 22.1 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:22.1:r1-s2:*:*:*:*:*:* | 22.1 r1-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:20.4:r3-s1:*:*:*:*:*:* | 20.4 r3-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:20.4:r3-s2:*:*:*:*:*:* | 20.4 r3-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:20.4:r3-s3:*:*:*:*:*:* | 20.4 r3-s3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:20.4:r3-s4:*:*:*:*:*:* | 20.4 r3-s4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:20.4:r3-s5:*:*:*:*:*:* | 20.4 r3-s5 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.2:r1-s2:*:*:*:*:*:* | 21.2 r1-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.2:r2:*:*:*:*:*:* | 21.2 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.2:r2-s1:*:*:*:*:*:* | 21.2 r2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.2:r2-s2:*:*:*:*:*:* | 21.2 r2-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.2:r3:*:*:*:*:*:* | 21.2 r3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.2:r3-s1:*:*:*:*:*:* | 21.2 r3-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.2:r3-s2:*:*:*:*:*:* | 21.2 r3-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.2:r3-s3:*:*:*:*:*:* | 21.2 r3-s3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.3:r2:*:*:*:*:*:* | 21.3 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.3:r2-s1:*:*:*:*:*:* | 21.3 r2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.3:r2-s2:*:*:*:*:*:* | 21.3 r2-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.3:r3:*:*:*:*:*:* | 21.3 r3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.4:-:*:*:*:*:*:* | 21.4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.4:r1:*:*:*:*:*:* | 21.4 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s1:*:*:*:*:*:* | 21.4 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s2:*:*:*:*:*:* | 21.4 r1-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.4:r2:*:*:*:*:*:* | 21.4 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.4:r3:*:*:*:*:*:* | 21.4 r3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:22.1:r1:*:*:*:*:*:* | 22.1 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:22.1:r1-s1:*:*:*:*:*:* | 22.1 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:22.1:r1-s2:*:*:*:*:*:* | 22.1 r1-s2 | Vulnerable | Juniper |
- cpe:2.3:o:juniper:junos:21.2:r1-s2:*:*:*:*:*:* Versions 21.2 r1-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.2:r2-s1:*:*:*:*:*:* Versions 21.2 r2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.2:r2-s2:*:*:*:*:*:* Versions 21.2 r2-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.2:r3:*:*:*:*:*:* Versions 21.2 r3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.2:r3-s1:*:*:*:*:*:* Versions 21.2 r3-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.3:r2:*:*:*:*:*:* Versions 21.3 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.3:r2-s1:*:*:*:*:*:* Versions 21.3 r2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.3:r2-s2:*:*:*:*:*:* Versions 21.3 r2-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.4:-:*:*:*:*:*:* Versions 21.4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.4:r1:*:*:*:*:*:* Versions 21.4 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.4:r1-s1:*:*:*:*:*:* Versions 21.4 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.4:r1-s2:*:*:*:*:*:* Versions 21.4 r1-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.4:r2:*:*:*:*:*:* Versions 21.4 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:21.4:r3:*:*:*:*:*:* Versions 21.4 r3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:22.1:r1:*:*:*:*:*:* Versions 22.1 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:22.1:r1-s1:*:*:*:*:*:* Versions 22.1 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:22.1:r1-s2:*:*:*:*:*:* Versions 22.1 r1-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:20.4:r3-s1:*:*:*:*:*:* Versions 20.4 r3-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:20.4:r3-s2:*:*:*:*:*:* Versions 20.4 r3-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:20.4:r3-s3:*:*:*:*:*:* Versions 20.4 r3-s3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:20.4:r3-s4:*:*:*:*:*:* Versions 20.4 r3-s4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:20.4:r3-s5:*:*:*:*:*:* Versions 20.4 r3-s5 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.2:r1-s2:*:*:*:*:*:* Versions 21.2 r1-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.2:r2:*:*:*:*:*:* Versions 21.2 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.2:r2-s1:*:*:*:*:*:* Versions 21.2 r2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.2:r2-s2:*:*:*:*:*:* Versions 21.2 r2-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.2:r3:*:*:*:*:*:* Versions 21.2 r3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.2:r3-s1:*:*:*:*:*:* Versions 21.2 r3-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.2:r3-s2:*:*:*:*:*:* Versions 21.2 r3-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.2:r3-s3:*:*:*:*:*:* Versions 21.2 r3-s3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.3:r2:*:*:*:*:*:* Versions 21.3 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.3:r2-s1:*:*:*:*:*:* Versions 21.3 r2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.3:r2-s2:*:*:*:*:*:* Versions 21.3 r2-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.3:r3:*:*:*:*:*:* Versions 21.3 r3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.4:-:*:*:*:*:*:* Versions 21.4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.4:r1:*:*:*:*:*:* Versions 21.4 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s1:*:*:*:*:*:* Versions 21.4 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s2:*:*:*:*:*:* Versions 21.4 r1-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.4:r2:*:*:*:*:*:* Versions 21.4 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.4:r3:*:*:*:*:*:* Versions 21.4 r3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:22.1:r1:*:*:*:*:*:* Versions 22.1 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:22.1:r1-s1:*:*:*:*:*:* Versions 22.1 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:22.1:r1-s2:*:*:*:*:*:* Versions 22.1 r1-s2 Vulnerable ·Juniper
Remediation
- Fix · CNA Junos OS (Juniper Networks) Fixed in 20.2R3-S6, 20.3R3-S5, 20.4R3-S4, 21.1R3-S3, 21.2R3-S2, 21.3R3, 21.4R2-S1, 21.4R3, 22.1R2
- Fix · CNA Junos OS Evolved (Juniper Networks) Fixed in 20.4R3-S6-EVO, 21.2R3-S4-EVO, 21.3R3-S1-EVO, 21.4R2-S1-EVO, 21.4R3-EVO, 22.1R2-EVO
Timeline
- 2026-10-02 Threatist record created from CVE-2023-28980
- 2026-10-03 Alias added: GHSA-xc2g-3f28-fmc4
References
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-2023-28980 · CVE Program
- CVE-2023-28980 · NVD
- FIRST EPSS
- GHSA-xc2g-3f28-fmc4 · 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