What is CVE-2018-5347?

CVE-2018-5347 is a critical-severity vulnerability in Seagate Personal Cloud, classified under OS Command Injection. CVSS score: 9.8/10. Published 2018-01-12.

How severe is CVE-2018-5347?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2018-5347 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Seagate Personal Cloud

CVE-2018-5347

Seagate Media Server in Seagate Personal Cloud has unauthenticated command injection in the uploadTelemetry and getLogs functions in views.py because .psp URLs are handled by the fastcgi.server component and shell metacharacters are mishandled.

Vulnerability class: Command Injection (OS Command Injection)

Published 2018-01-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.542 (99.0th percentile), scored 2026-10-30.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.542 · newest: 0.542 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

www.exploit-db.com/exploits/43659/ (Exploit, VDB Entry, Third Party Advisory, exploit)
blogs.securiteam.com/index.php/archives/3548 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-5347?: CVE-2018-5347 is a critical-severity vulnerability in Seagate Personal Cloud, classified under OS Command Injection. CVSS score: 9.8/10. Published 2018-01-12.
How severe is CVE-2018-5347?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-5347 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.