CVE-2017-12849
Silverstripe CMS User Enumeration
CVE-2017-12849 is a medium vulnerability (CVSS 5.3) in Silverstripe, published October 12, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.11%, the 66th percentile. Fixed in silverstripe/cms 3.5.5.
- Severity
- 5.3 MediumCVSS 3.0, NVD
- Exploit chance
- 1.11%EPSS, 66th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
3.5.5silverstripe/cms +3 more
Description
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
silverstripe/cmsPackagist | before 3.5.5 | 3.5.5 |
silverstripe/cmsPackagist | 3.6 up to 3.6.1 | 3.6.1 |
silverstripe/cmsPackagist | before 3.5.5, plus listed versions 2.4.102.4.112.4.122.4.132.4.9 Show 45 moreShow less2.5.03.0.103.0.10-rc13.0.113.0.11-rc13.0.123.0.133.0.143.0.2.13.0.33.0.3-rc13.0.3-rc23.0.43.0.53.0.63.0.6-rc13.0.6-rc23.0.73.0.7-rc13.0.83.0.93.0.9-rc13.1.03.1.0-beta13.1.0-beta23.1.0-beta33.1.0-rc13.1.0-rc23.1.0-rc33.1.13.1.103.1.10-rc13.1.10-rc23.1.113.1.11-rc13.1.123.1.133.1.13-rc13.1.143.1.14-rc13.1.153.1.163.1.16-rc13.1.173.1.17-rc1 | 3.5.5 |
silverstripe/cmsPackagist | 3.6 up to 3.6.1, plus listed versions 3.6.03.6.0-beta13.6.0-beta23.6.0-rc13.6.1-alpha13.6.1-alpha2 | 3.6.1 |
What each source reports
NVD Score used
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.
- Record
CVE-2017-12849- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2017-12849- Updated
- 2026-11-02
EUVDEUVD-2022-3845No score
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.
- Record
EUVD-2022-3845- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fwhr-g5r4-xgxf
Silverstripe CMS User Enumeration
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.
- Record
GHSA-fwhr-g5r4-xgxf- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2017-12849- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-fwhr-g5r4-xgxf
Silverstripe CMS User Enumeration
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.
- Record
GHSA-fwhr-g5r4-xgxf- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
Left out here: 92 versions. The JSON record has them.