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Servers and applications

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.

Severity
Medium 5.3
Published
12 Oct 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.1% in the next 30 daysHigher than 66% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Information exposure (CWE-200)
Attack
Over the network · No login needed · No user action needed
Attacker can
Read some data
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Sources
NVD

Affected software

SoftwareAffected versions
Silverstripe CMSServers and applications · cpe:a:silverstripe:silverstripe
  • Every version up to 3.5.4
  • Version 3.6.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-12849
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-12849