CVE-2019-11080
Sitecore Experience Platform (XP) prior to 9.1.1 is vulnerable to remote code execution via deserialization, aka TFS # 293863.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 13.9%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 13.95% probability · 97th percentile
- Public exploits
- 1 in Exploit-DB · first 13 June 2019
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- sitecore/experience platform
- Source
- cve@mitre.org
EPSS moved from 10.8% on 21 September 2026 to 13.9% on 27 October 2026, peaking at 14.2% on 22 September 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/153274/Sitecore-8.x-Deserialization-Remote-Code-Execution.html
- https://dev.sitecore.net/Downloads/Sitecore%20Experience%20Platform/91/Sitecore%20Experience%20Platform%2091%20Update1/Release%20NotesRelease Notes, Vendor Advisory
- https://github.com/minecrater/exploits/blob/master/Sitecore8xDeserialRCEExploit, Third Party Advisory
- http://packetstormsecurity.com/files/153274/Sitecore-8.x-Deserialization-Remote-Code-Execution.html
- https://dev.sitecore.net/Downloads/Sitecore%20Experience%20Platform/91/Sitecore%20Experience%20Platform%2091%20Update1/Release%20NotesRelease Notes, Vendor Advisory
- https://github.com/minecrater/exploits/blob/master/Sitecore8xDeserialRCEExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.