medium Known exploitedREV. 01

CVE-2023-36847Juniper Junos EX — Missing Authentication on Upload

A function of the web interface on Juniper's switches runs without checking who called it, so an unauthenticated request can place a file on the device and change what it stores.

YOUR NEXT MOVE

Apply Juniper's fix for the affected Junos releases, and restrict who can reach the web interface.

Read the risk

THE VITAL STATS
CVSS score
5.3/ 10
CVSS v3.1
EPSS probability
85%
Likelihood of exploitation
Attack complexity
Low
Conditions needed to exploit
Known exploited
Yes — CISA KEV
CVE published
2023-08-17
Added to KEV
2023-11-13
Exploit published
Not recorded
Confidence
high
Kill chain
initial access
MITRE ATT&CK
T1190
Severity
medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attacker needsNetwork access to the device web interface

Behind the card

3 REFERENCES
Field-level provenanceTRACE THE SOURCES +

Which source supports each field, when it was retrieved, and who extracted it.

FieldsSourceRetrievedExtractorConfidence
cvss, exploitation.attack_complexity, exploitation.exploit_available, references, published_atnvd.nist.gov2026-08-07scrty-crds-pipeline/0.1high
exploitation.known_exploited, exploitation.kev_addedcisa.gov2026-08-07scrty-crds-pipeline/0.1high
epssapi.first.org2026-08-07scrty-crds-pipeline/0.1high
title, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisitesnvd.nist.gov2026-08-07claude-codehigh

Printing history

THE RECORD
  1. r1Initial base card

First printing. This card has not been reprinted since publication.

crds:cve-2023-36847 · CRDS 0.1 · Issued 2026-08-07