Deserialization in Sitecore Experience Platform
CVE-2019-11080
Sitecore Experience Platform (XP) prior to 9.1.1 is vulnerable to remote code execution via deserialization, aka TFS # 293863. An authenticated user with necessary permissions is able to remotely execute OS commands by sending a crafted serialized object.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.139 (96.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.142 · newest: 0.139 · change: -0.003
Affected products
Weakness classification (CWE)
References
- dev.sitecore.net/Downloads/Sitecore Experience Platform/91/Sitecore Experience… (Release Notes, Vendor Advisory)
- github.com/minecrater/exploits/blob/master/Sitecore8xDeserialRCE (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/153274/Sitecore-8.x-Deserialization-Remote-Code-E…
Frequently asked questions
- What is CVE-2019-11080?
- CVE-2019-11080 is a high-severity vulnerability in Sitecore Experience Platform, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2019-06-06.
- How severe is CVE-2019-11080?
- High severity. CVSS v3 base score is 8.8 out of 10.