CVE-2015-7755
Juniper ScreenOS Improper Authentication Vulnerability
What the flaw is
Juniper ScreenOS contains an improper authentication vulnerability that could allow unauthorized remote administrative access to the device.
Description as published by CISA. We have not independently reproduced it.
What CISA requires
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
This deadline is binding on US federal civilian agencies under BOD 22-01. It is not a legal deadline for anyone else, but it is a useful urgency signal — CISA sets it by how actively the flaw is being used, not by CVSS.
Public exploit code
22 public repositories referencing this CVE have been catalogued on GitHub. Treat this as a strong signal to prioritise patching, not as a verified working exploit — many such repositories are scanners, write-ups or forks rather than functional code.
- ARPSyndicate/cvemon
- CVEDB/PoC-List
- CVEDB/awesome-cve-repo
- CVEDB/top
- CryptoGenNepal/CVE-KEV-RSS
- DevGreick/devgreick
- GhostTroops/TOP
- JERRY123S/all-poc
Showing 8 of 22. Full list in the trickest/cve dataset.
Vendor advisories
Primary sources
Was this page helpful?
If something here is wrong or out of date, tell us and we will check the source.
Thanks — that is recorded.
Other Juniper entries
See allJunos OS
Improper Isolation or Compartmentalization
CVE-2023-36844Junos OS
EX Series PHP External Variable Modification
CVE-2023-36845Junos OS
EX Series and SRX Series PHP External Variable Modification
CVE-2023-36846Junos OS
SRX Series Missing Authentication for Critical Function
CVE-2023-36847Junos OS
EX Series Missing Authentication for Critical Function
CVE-2023-36851Junos OS
SRX Series Missing Authentication for Critical Function
Source: CISA KEV catalog · last verified July 31, 2026. Rebuilt automatically twice a day.