Vulnerability in Juniper Junos
CVE-2023-1697
An Improper Handling of Missing Values vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an adjacent, unauthenticated attacker to cause a dcpfe process core and thereby a Denial of Service (DoS). Continued receipt of these specific frames will cause a sustained Denial of Service condition. This issue occurs when a specific malformed ethernet frame is received. This issue affects Juniper Networks Junos OS on QFX10000 Series, PTX1000 Series Series: All versions prior to 19.4R3-S10; 20.1 version 20.1R1 and later versions; 20.2 versions prior to 20.2R3-S6; 20.3 versions prior to 20.3R3-S6; 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S3; 21.3 versions prior to 21.3R3-S3; 21.4 versions prior to 21.4R3-S1; 22.1 versions prior to 22.1R2-S1, 22.1R3; 22.2 versions prior to 22.2R1-S2, 22.2R2.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (23.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Juniper Junos — versions 19.4, 20.1, 20.2
- Juniper Ptx1000
- Juniper Qfx10000
- Juniper Qfx10002
- Juniper Qfx10008
- Juniper Qfx10016
- Juniper Networks Junos OS — versions unspecified, 20.1R1, 20.2
Weakness classification (CWE)
References
- supportportal.juniper.net/JSA70612 (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-1697?
- CVE-2023-1697 is a medium-severity vulnerability in Juniper Junos, classified under CWE-230. CVSS score: 6.5/10. Published 2023-04-17.
- How severe is CVE-2023-1697?
- Medium severity. CVSS v3 base score is 6.5 out of 10.