Auth bypass in Juniper Ex2200

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: 0.847 (99.7th 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

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

Frequently asked questions

What is CVE-2023-36847?
CVE-2023-36847 is a medium-severity vulnerability in Juniper Ex2200, 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.