Vulnerability in Juniper Networks Junos Os

CVE-2023-36845

A PHP External Variable Modification vulnerability in J-Web of Juniper Networks Junos OS on EX Series and SRX Series allows an unauthenticated, network-based attacker to remotely execute code. Using a crafted request which sets the va…

EPSS: 0.944 (100.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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-2023-36845?
CVE-2023-36845 is a critical-severity vulnerability in Juniper Networks Junos Os, classified under CWE-473. CVSS score: 9.8/10. Published 2023-08-17.
How severe is CVE-2023-36845?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-36845 known to be exploited?
Yes. CVE-2023-36845 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-11-13), indicating it is being actively exploited. 44 public proof-of-concept repositories are indexed.