HOMEVULNERABILITIESCVE-2017-12873
CRITICAL

CVE-2017-12873

CWE-384Published: September 1, 2017· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2017-12873 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
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

Affected Vendors & Products

Debian1 product(s)
debian linux
simplesamlphp1 product(s)
simplesamlphp
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/simplesamlphp/simplesamlphp/commit/90dca835158495b173808273e7df127303b8b953
PATCHhttps://simplesamlphp.org/security/201612-04
PATCHhttps://github.com/simplesamlphp/simplesamlphp/commit/90dca835158495b173808273e7df127303b8b953
PATCHhttps://simplesamlphp.org/security/201612-04
ADVISORYhttps://lists.debian.org/debian-lts-announce/2017/12/msg00007.html
ADVISORYhttps://www.debian.org/security/2018/dsa-4127
ADVISORYhttps://lists.debian.org/debian-lts-announce/2017/12/msg00007.html
ADVISORYhttps://www.debian.org/security/2018/dsa-4127

All References (8)

→
https://github.com/simplesamlphp/simplesamlphp/commit/90dca835158495b173808273e7df127303b8b953Issue Tracking · Patch · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2017/12/msg00007.htmlMailing List · Third Party Advisory
→
https://simplesamlphp.org/security/201612-04Patch · Vendor Advisory
→
https://www.debian.org/security/2018/dsa-4127Third Party Advisory
→
https://github.com/simplesamlphp/simplesamlphp/commit/90dca835158495b173808273e7df127303b8b953Issue Tracking · Patch · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2017/12/msg00007.htmlMailing List · Third Party Advisory
→
https://simplesamlphp.org/security/201612-04Patch · Vendor Advisory
→
https://www.debian.org/security/2018/dsa-4127Third Party Advisory

Quick Facts

CVE IDCVE-2017-12873
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-384
CISA KEVNo
Affected2 vendor(s)
PublishedSep 1, 2017

Related CVEs (CWE-384)

CVE-2024-11317
10.0
CVE-2021-20151
10.0
CVE-2018-18926
9.8
CVE-2015-1174
9.8
CVE-2018-18925
9.8
CVE-2016-9125
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-12873 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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