CVE-2019-11080 — Sitecore Experience Platform (XP) prior to 9

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-06-06T13:33:43.000Z
• Last modified: 2024-08-04T22:40:16.283Z

09References

• dev.sitecore.net — https://dev.sitecore.net/Downloads/Sitecore%20Experience%20Platform/91/Sitecore%…
• github.com — https://github.com/minecrater/exploits/blob/master/Sitecore8xDeserialRCE
• packetstormsecurity.com — http://packetstormsecurity.com/files/153274/Sitecore-8.x-Deserialization-Remote-…