CVE-2015-20108: onelogin ruby-saml Command Injection
CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2015-20108DEBIAN-CVE-2015-20108GHSA-r364-2pj4-pf7f
Published 27-05-2023Last modified 14-01-2025
Vulnerability summary
CVE-2015-20108 is a critical (CVSS 9.8) Command Injection vulnerability in onelogin ruby-saml. EPSS estimates a 1.33% chance of exploitation in the next 30 days, higher than 70.6% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
1.33%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 27-05-2023PublishedVulnerability first disclosed.
- 14-01-2025Last modifiedVulnerability information updated.
Description
xml_security.rb in the ruby-saml gem before 1.0.0 for Ruby allows XPath injection and code execution because prepared statements are not used.
CVSS metrics
5 scores · 5 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 5 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · RubygemsEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.33%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
0.00 pp
From 1.33% on 19-09-2026
19-09-202619-10-2026
EPSS score1.33%
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
- ruby-saml< 1.0.0-1
Onelogin1 product
- ruby-saml< 1.0.0
RubyGems1 product
- ruby-saml< 1.0.0
Ubuntu1 product
- ruby-saml< 1.7.2-1
4 vendors · 4 products
References
13 links- github.com/rubysec/ruby-advisory-db/blob/master/gems/ruby-saml/OSVDB-124991.ymlThird Party AdvisoryREPORTWEB