How severe is CVE-2017-12849?

CVE-2017-12849 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2017-12849 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12849?

CVE-2017-12849 primarily affects Silverstripe. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-12849?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-12849 published?

CVE-2017-12849 was published on 2017-10-12 and last updated on 2026-06-17.

CVE-2017-12849

CVE-2017-12849 is a medium-severity vulnerability in Silverstripe with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Silverstripe
Published: 2017-10-12
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2017-12849?: CVE-2017-12849 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2017-12849 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12849?: CVE-2017-12849 primarily affects Silverstripe. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-12849?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-12849 published?: CVE-2017-12849 was published on 2017-10-12 and last updated on 2026-06-17.

References

https://www.silverstripe.org/download/security-releases/ss-2017-005

Affected products (2)

cpe:2.3:a:silverstripe:silverstripe:*:*:*:*:*:*:*:*
cpe:2.3:a:silverstripe:silverstripe:3.6.0:*:*:*:*:*:*:*

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