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CVE-2017-12873

30
FAUCET Score

CVE-2017-12873 describes a critical vulnerability in SimpleSAMLphp versions 1.7.0 through 1.14.10, where misconfigured Identity Providers can lead to incorrect persistent NameID generation. This flaw, rated 9.8 Critical (CVSSv3), allows unauthenticated attackers to potentially gain unauthorized access, obtain sensitive information, or cause other significant impacts with low attack complexity. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.7.0, <= 1.14.10CPE matchmatch criteria
cpe:2.3:a:simplesamlphp:simplesamlphp:*:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.66%
Probability of exploitation in next 30 days
EPSS Percentile
74.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0166 is in the 62nd percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: simplesamlphp/simplesamlphpFixed in: 1.14.11
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-gp2m-7cfp-h6gfcritical

Incorrect persistent NameID generation in SimpleSAMLphp

Jan 24, 2020

References

github.com / simplesamlphp/simplesamlphp/commit/90dca835158495b173808273e7df127303b8b953
Issue TrackingPatchThird Party Advisory
lists.debian.org / debian-lts-announce/2017/12/msg00007.html
Mailing ListThird Party Advisory
simplesamlphp.org / security/201612-04
PatchVendor Advisory
debian.org / security/2018/dsa-4127
Third Party Advisory