How severe is CVE-2012-5352?

CVE-2012-5352 has a CVSS 2.0 base score of 5.8, rated medium severity.

Is CVE-2012-5352 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5352?

CVE-2012-5352 affects Josso Java Open Single Sign-on Project Home. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-5352?

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

When was CVE-2012-5352 published?

CVE-2012-5352 was published on 2012-10-09 and last updated on 2026-06-16.

CVE-2012-5352

CVE-2012-5352 is a medium-severity vulnerability in Josso Java Open Single Sign-on Project Home with a CVSS 2.0 base score of 5.8. 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 5.8)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Josso Java Open Single Sign-on Project Home
Published: 2012-10-09
Last modified: 2026-06-16

Description

Java Open Single Sign-On Project Home (JOSSO) allows remote attackers to forge messages and bypass authentication via a SAML assertion that lacks a Signature element, aka a "Signature exclusion attack."

Frequently asked questions

What is CVE-2012-5352?: Java Open Single Sign-On Project Home (JOSSO) allows remote attackers to forge messages and bypass authentication via a SAML assertion that lacks a Signature element, aka a "Signature exclusion attack."
How severe is CVE-2012-5352?: CVE-2012-5352 has a CVSS 2.0 base score of 5.8, rated medium severity.
Is CVE-2012-5352 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5352?: CVE-2012-5352 affects Josso Java Open Single Sign-on Project Home. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-5352?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-5352 published?: CVE-2012-5352 was published on 2012-10-09 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:josso:java_open_single_sign-on_project_home:-:*:*:*:*:*:*:*

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