CVE-2017-12870
SimpleSAMLphp Unauthenticated encryption in CBC mode
5.9
MEDIUM
CVSS 3.1
EPSS 0.26%
Description
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.
How to fix CVE-2017-12870
To remediate CVE-2017-12870, upgrade the affected package to a fixed version below.
- —upgrade to 1.14.15-1 or later
- —upgrade to 1.14.13 or later
Is CVE-2017-12870 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.14.15-1
- from 0, < 1.14.13
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |