Sitecore XP Remote Command Execution Vulnerability
Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure deserialization attack where it is possible to achieve remote command execution on the machine. No authentication or special configuration is required…
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 5 / 5
- KEV catalog (CISA)25 Mar 2022
- Exploited in EUVD (ENISA)25 Mar 2022
- Used by ransomwareyes
- EPSS above 10 %97.6%
- No account, over the networkyes
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply updates per vendor instructions.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Description ENISA EUVD
Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure deserialization attack where it is possible to achieve remote command execution on the machine. No authentication or special configuration is required to exploit this vulnerability.
Affected products
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
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Exploitation reported (ENISA)
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Added to the KEV catalog
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CISA remediation due date
-
EPSS peak: 97.6%
References
Other exploited vulnerabilities from the same vendor
- CVE-2025-53690Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability7.8 · Background exploitation
- CVE-2019-9875Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability6.1 · Background exploitation
- CVE-2019-9874Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability8.8 · Background exploitation