What is CVE-2015-7921?

CVE-2015-7921 is a critical-severity vulnerability in Schneider-Electric Proface Gp-Pro Ex Ex-Ed, classified under CWE-255. CVSS score: 9.1/10. Published 2016-04-06.

How severe is CVE-2015-7921?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Schneider-Electric Proface Gp-Pro Ex Ex-Ed

CVE-2015-7921

The FTP server in Pro-face GP-Pro EX EX-ED before 4.05.000, PFXEXEDV before 4.05.000, PFXEXEDLS before 4.05.000, and PFXEXGRPLS before 4.05.000 has hardcoded credentials, which makes it easier for remote attackers to bypass authentication by leveraging knowledge of these credentials.

Published 2016-04-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.020 (79.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-255

References

ics-cert.us-cert.gov/advisories/ICSA-16-096-01 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2015-7921?: CVE-2015-7921 is a critical-severity vulnerability in Schneider-Electric Proface Gp-Pro Ex Ex-Ed, classified under CWE-255. CVSS score: 9.1/10. Published 2016-04-06.
How severe is CVE-2015-7921?: Critical severity. CVSS v3 base score is 9.1 out of 10.