Is CVE-2017-12873 in the CISA KEV catalog?

No. CVE-2017-12873 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-12873?

CVE-2017-12873 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2017-12873?

CVE-2017-12873 has an EPSS score of 1.66% (74th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-12873?

Upgrade simplesamlphp on debian 11 to 1.14.11-1 or later.

CVE & CISA-KEV Catalog

CVE-2017-12873

CRITICALEPSS 74th pctl

9.8

CVSS v3

NVD

Description

SimpleSAMLphp 1.7.0 through 1.14.10 might allow attackers to obtain sensitive information, gain unauthorized access, or have unspecified other impacts by leveraging incorrect persistent NameID generation when an Identity Provider (IdP) is misconfigured.

CWE-384

How to fix

Remediation Available

simplesamlphpDebian

Fixed in:1.14.11-1CVE-2017-12873

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.66%probability of exploitation in 30 days

74thpercentile

Elevated risk: more likely to be exploited than 74% of all known CVEs.

References

Patch2

Third-Party Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.