Vulnerability in Juniper Junos OS Evolved
CVE-2022-22195
An Improper Update of Reference Count vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to trigger a counter overflow, eventually causing a Denial of Service (DoS). This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R3-S1-EVO; 21.1 versions prior to 21.1R3-EVO; 21.2 versions prior to 21.2R3-EVO; 21.3 versions prior to 21.3R2-EVO. This issue does not affect Juniper Networks Junos OS.
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: 0.011 (64.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Juniper Junos OS Evolved — versions 20.4, 21.1, 21.2
- Juniper Networks Junos OS — versions any
- Juniper Networks Junos OS Evolved — versions unspecified, 21.1, 21.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- kb.juniper.net/JSA69508 (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-22195?
- CVE-2022-22195 is a high-severity vulnerability in Juniper Junos OS Evolved, classified under CWE-911. CVSS score: 7.5/10. Published 2022-04-14.
- How severe is CVE-2022-22195?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-22195 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.