9.1

CVE-2016-9814: simplesamlphp saml2 Resource Management Errors

CVSS: 9.1v3.0CriticalModified
AliasesUBUNTU-CVE-2016-9814DEBIAN-CVE-2016-9814
Published 16-02-2017Last modified 06-08-2024

Vulnerability summary

CVE-2016-9814 is a critical (CVSS 9.1) Resource Management Errors vulnerability in simplesamlphp saml2. EPSS estimates a 2.41% chance of exploitation in the next 30 days, higher than 83.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.0 (NVD)
EPSS score
2.41%
0%100%
Low · +0.18 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 16-02-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The validateSignature method in the SAML2\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 library before 1.9.1, 1.10.x before 1.10.3, and 2.x before 2.3.3 allows remote attackers to spoof SAML responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.41%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

+0.18 pp

From 2.23% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.41%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Simplesamlphp2 products
  • saml2≤ 1.9 | 1.10 | 1.10.1 | 1.10.2 | 2.0.0 | 2.0.1 | 2.1 | 2.2 | 2.3 | 2.3.1 | 2.3.2
  • simplesamlphp≤ 1.14.9 | 1.10
Debian1 product
  • simplesamlphp< 1.14.10-1
Ubuntu1 product
  • simplesamlphpAll versions (No fix recorded)

3 vendors · 4 products

References

9 links