CVE-2017-12874
The InfoCard module 1.0 for SimpleSAMLphp allows attackers to spoof XML messages by leveraging an incorrect check of return values in signature validation utilities.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The InfoCard module 1.0 for SimpleSAMLphp allows attackers to spoof XML messages by leveraging an incorrect check of return values in signature validation utilities.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 1.27% probability · 70th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- simplesamlphp/infocard module · debian/debian linux
- Source
- cve@mitre.org
EPSS 1.3% since 28 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://lists.debian.org/debian-lts-announce/2017/12/msg00007.htmlMailing List, Third Party Advisory
- https://simplesamlphp.org/security/201612-03Patch, Vendor Advisory
- https://www.debian.org/security/2018/dsa-4127Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00007.htmlMailing List, Third Party Advisory
- https://simplesamlphp.org/security/201612-03Patch, Vendor Advisory
- https://www.debian.org/security/2018/dsa-4127Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.