What is CVE-2017-12849?

CVE-2017-12849 is a medium-severity vulnerability in Silverstripe, classified under Information Disclosure. CVSS score: 5.3/10. Published 2017-10-12.

How severe is CVE-2017-12849?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Silverstripe

CVE-2017-12849

Response discrepancy in the login and password reset forms in SilverStripe CMS before 3.5.5 and 3.6.x before 3.6.1 allows remote attackers to enumerate users via timing attacks.

Vulnerability class: Information Disclosure

Published 2017-10-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.011 (64.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Silverstripe — versions 3.6.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.silverstripe.org/download/security-releases/ss-2017-005 (Vendor Advisory)

Frequently asked questions

What is CVE-2017-12849?: CVE-2017-12849 is a medium-severity vulnerability in Silverstripe, classified under Information Disclosure. CVSS score: 5.3/10. Published 2017-10-12.
How severe is CVE-2017-12849?: Medium severity. CVSS v3 base score is 5.3 out of 10.