Deserialization in Centrify Authentication Service
CVE-2019-18631
The Windows component of Centrify Authentication and Privilege Elevation Services 3.4.0, 3.4.1, 3.4.2, 3.4.3, 3.5.0, 3.5.1 (18.8), 3.5.2 (18.11), and 3.6.0 (19.6) does not properly handle an unspecified exception during use of partially trusted assemblies to serialize input data, which allows attackers to execute arbitrary code inside the Centrify process via (1) a crafted application that makes a pipe connection to the process and sends malicious serialized data or (2) a crafted Microsoft Management Console snap-in control file.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (66.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Centrify Authentication Service — versions 3.4.0, 3.4.1, 3.4.2
- Centrify Infrastructure Services — versions 18.8, 18.11, 19.6
- Centrify Privilege Elevation Service — versions 3.4.0, 3.4.1, 3.4.2
Weakness classification (CWE)
References
- centrify.force.com/support/Article/KB-22420-Centrify-Agent-for-Windows-Remote-C… (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-18631?
- CVE-2019-18631 is a high-severity vulnerability in Centrify Authentication Service, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2019-11-05.
- How severe is CVE-2019-18631?
- High severity. CVSS v3 base score is 7.8 out of 10.