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Vulnerabilities

Vulnerability · CVE-2011-4625

simplesamlphp before 1.6.3 (squeeze) and before 1.8.2 (sid) incorrectly handles XML encryption which could allow remote attackers to decrypt or forge messages.

Published Nov 6, 2019 · catalog updated Oct 23, 2026 · simplesamlphp before 1.6.3 (squeeze)

Check if you run it

No confirmed exploitation is on record for CVE-2011-4625. EPSS is 0.74%. Act only if a listed version of simplesamlphp before 1.6.3 (squeeze) is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (simplesamlphp before 1.6.3 (squeeze)).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.74%
Remediation
Advisory link
Affected products
Debian:12 simplesamlphp · Debian:14 simplesamlphp

simplesamlphp before 1.6.3 (squeeze) and before 1.8.2 (sid) incorrectly handles XML encryption which could allow remote attackers to decrypt or forge messages.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Debian:12 simplesamlphp0 → 1.8.1-1
  • Debian:14 simplesamlphp0 → 1.8.1-1

How to fix CVE-2011-4625

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2011-4625. EPSS is 0.74%. Act only if a listed version of simplesamlphp before 1.6.3 (squeeze) is installed.

Which versions are affected?

Compare what you have installed with 0 → 1.8.1-1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.74%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Debian security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 6, 2019 · OpenSSF OSV / OSV Scanner

    Detected

    simplesamlphp before 1.6.3 (squeeze) and before 1.8.2 (sid) incorrectly handles XML encryption which could allow remote attackers to decrypt or forge messages.

  2. Oct 23, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    simplesamlphp fixed in 1.8.1-1; simplesamlphp fixed in 1.8.1-1

  3. Oct 23, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    simplesamlphp fixed in 1.8.1-1

  4. Oct 23, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    simplesamlphp before 1.6.3 (squeeze) and before 1.8.2 (sid) incorrectly handles XML encryption which could allow remote attackers to decrypt or forge messages.

Sources

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.