How severe is CVE-2019-12203?

CVE-2019-12203 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over physical access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-12203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12203?

CVE-2019-12203 affects Silverstripe. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-12203?

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

When was CVE-2019-12203 published?

CVE-2019-12203 was published on 2019-09-25 and last updated on 2026-06-17.

CVE-2019-12203

CVE-2019-12203 is a medium-severity vulnerability in Silverstripe with a CVSS 3.x base score of 6.3. 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-384.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 3.7
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Silverstripe
Published: 2019-09-25
Last modified: 2026-06-17

Description

SilverStripe through 4.3.3 allows session fixation in the "change password" form.

Frequently asked questions

What is CVE-2019-12203?: SilverStripe through 4.3.3 allows session fixation in the "change password" form.
How severe is CVE-2019-12203?: CVE-2019-12203 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over physical access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-12203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12203?: CVE-2019-12203 affects Silverstripe. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-12203?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-12203 published?: CVE-2019-12203 was published on 2019-09-25 and last updated on 2026-06-17.

References

Affected products (1)

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

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