01 Record
CVE-2023-22391
Junos OS: ACX2K Series: Receipt of a high rate of specific traffic will lead to a Denial of Service (DoS)
HighPUBLISHEDCNA: juniper
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
02 Description
Junos OS: ACX2K Series: Receipt of a high rate of specific traffic will lead to a Denial of Service (DoS)
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.63% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 49.7% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-01-12 00:00Z3 YR AGO
- Last updated
- 2025-04-07 15:43Z1 YR AGO
- Reserved
- 2022-12-27
- Assigning CNA
- juniper
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-755Improper Handling of Exceptional ConditionsClass
- Data version
- 5.1
- Document digest
- 3f30b107c634fdb1b60a9849cf30682450ab116421f3ea99ac9f545ff1753d89
05 Affected products
VendorProductVersionsPlatforms
Juniper NetworksJunos OS< 19.4R3-S9, 20.2R1 to < 20.2*, 20.3 to < 20.3R3-S6, 20.4 to < 20.4R3-S4, 21.1R1 to < 21.1*, 21.2 to < 21.2R3-S3ACX2K Series
06 References
- kb.juniper.nethttps://kb.juniper.net/JSA70187
07 Remediation
The following software releases have been updated to resolve this specific issue: Junos OS 19.4R3-S9, 20.3R3-S6, 20.4R3-S4, and 21.2R3-S3. Note: Legacy ACX2000 Series PPC-based devices have reached Last Supported Version (LSV) as of Junos OS 21.2.