Vulnerability in Juniper Junos
CVE-2022-22231
An Unchecked Return Value to NULL Pointer Dereference vulnerability in Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). On SRX Series if Unified Threat Management (UTM) Enhanced Content Filtering (CF) and AntiVirus (AV) are enabled together and the system processes specific valid transit traffic the Packet Forwarding Engine (PFE) will crash and restart. This issue affects Juniper Networks Junos OS 21.4 versions prior to 21.4R1-S2, 21.4R2 on SRX Series. This issue does not affect Juniper Networks Junos OS versions prior to 21.4R1.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.007 (53.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.001
Affected products
- Juniper Junos — versions 21.4
- Juniper Srx1500
- Juniper Srx4100
- Juniper Srx4200
- Juniper Srx4600
- Juniper Srx5400
- Juniper Srx550
- Juniper Srx5600
- Juniper Srx5800
- Juniper Networks Junos OS — versions unspecified, 21.4
Weakness classification (CWE)
References
- kb.juniper.net/JSA69885 (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-22231?
- CVE-2022-22231 is a high-severity vulnerability in Juniper Junos, classified under CWE-690. CVSS score: 7.5/10. Published 2022-10-18.
- How severe is CVE-2022-22231?
- High severity. CVSS v3 base score is 7.5 out of 10.