CVE-2017-12870: simplesamlphp
CVSS: 5.9v3.0MediumModified
AliasesUBUNTU-CVE-2017-12870DEBIAN-CVE-2017-12870
Published 01-09-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-12870 is a medium (CVSS 5.9) vulnerability in simplesamlphp. EPSS estimates a 0.88% chance of exploitation in the next 30 days, higher than 58.5% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.0 (NVD)EPSS score
0.88%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 01-09-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.9Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.88%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
0.00 pp
From 0.88% on 22-09-2026
22-09-202622-10-2026
EPSS score0.88%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- simplesamlphp< 1.14.15-1
Simplesamlphp1 product
- simplesamlphp≤ 1.14.12
Ubuntu1 product
- simplesamlphpAll versions (No fix recorded)
3 vendors · 3 products
