How severe is CVE-2012-1256?

CVE-2012-1256 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-1256 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-1256?

CVE-2012-1256 affects Easyvista. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-1256?

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

When was CVE-2012-1256 published?

CVE-2012-1256 was published on 2012-02-22 and last updated on 2026-06-16.

CVE-2012-1256

CVE-2012-1256 is a medium-severity vulnerability in Easyvista with a CVSS 2.0 base score of 5.0. 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-287.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Easyvista
Published: 2012-02-22
Last modified: 2026-06-16

Description

The single sign-on (SSO) implementation in EasyVista before 2010.1.1.89 allows remote attackers to bypass authentication via a modified url_account parameter, in conjunction with a valid login name in the SSPI_HEADER parameter, to index.php.

Frequently asked questions

What is CVE-2012-1256?: The single sign-on (SSO) implementation in EasyVista before 2010.1.1.89 allows remote attackers to bypass authentication via a modified url_account parameter, in conjunction with a valid login name in the SSPI_HEADER parameter, to index.php.
How severe is CVE-2012-1256?: CVE-2012-1256 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-1256 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-1256?: CVE-2012-1256 affects Easyvista. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-1256?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-1256 published?: CVE-2012-1256 was published on 2012-02-22 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:easyvista:easyvista:*:*:*:*:*:*:*:*

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