What is CVE-2017-12870?

CVE-2017-12870 is a medium-severity vulnerability in Simplesamlphp, classified under Information Disclosure. CVSS score: 5.9/10. Published 2017-09-01.

How severe is CVE-2017-12870?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Information disclosure in Simplesamlphp

CVE-2017-12870

SimpleSAMLphp 1.14.12 and earlier make it easier for man-in-the-middle attackers to obtain sensitive information by leveraging use of the aesEncrypt and aesDecrypt methods in the SimpleSAML/Utils/Crypto class to protect session identifiers in replies to non-HTTPS service providers.

Vulnerability class: Information Disclosure

EPSS: 0.009 (55.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Simplesamlphp
N/a — versions n/a

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2017-12870?: CVE-2017-12870 is a medium-severity vulnerability in Simplesamlphp, classified under Information Disclosure. CVSS score: 5.9/10. Published 2017-09-01.
How severe is CVE-2017-12870?: Medium severity. CVSS v3 base score is 5.9 out of 10.