Auth bypass in Juniper Networks Junos Os
CVE-2023-36847
A Missing Authentication for Critical Function vulnerability in Juniper Networks Junos OS on EX Series allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity. With a specific request to…
Vulnerability class: Broken Authentication
EPSS: 0.939 (99.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Juniper Networks Junos Os — versions 0, 21.1, 21.2
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Public proof-of-concept exploits
References
- supportportal.juniper.net/JSA72300 (vendor-advisory, mitigation)
Frequently asked questions
- What is CVE-2023-36847?
- CVE-2023-36847 is a medium-severity vulnerability in Juniper Networks Junos Os, classified under Missing Authentication for Critical Function. CVSS score: 5.3/10. Published 2023-08-17.
- How severe is CVE-2023-36847?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-36847 known to be exploited?
- Yes. CVE-2023-36847 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-11-13), indicating it is being actively exploited. 8 public proof-of-concept repositories are indexed.