Vulnerability in Juniper Ex2200
CVE-2023-36844
A PHP External Variable Modification vulnerability in J-Web of Juniper Networks Junos OS on EX Series allows an unauthenticated, network-based attacker to control certain, important environment variables. Using a crafted request an attack…
EPSS: 0.914 (99.8th 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
- sirt@juniper.net (vendor-advisory, mitigation, Vendor Advisory)
- sirt@juniper.net (Exploit, VDB Entry, Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2023-36844?
- CVE-2023-36844 is a medium-severity vulnerability in Juniper Ex2200, classified under CWE-473. CVSS score: 5.3/10. Published 2023-08-17.
- How severe is CVE-2023-36844?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-36844 known to be exploited?
- Yes. CVE-2023-36844 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-11-13), indicating it is being actively exploited. 25 public proof-of-concept repositories are indexed.