SARA / Free Tools / KEV / CVE-2019-9875

CVE-2019-9875 on CISA KEV

Deserialization of Untrusted Data in the anti CSRF module in Sitecore through 9.1 allows an authenticated attacker to execute arbitrary code by sending a serialized .NET object in an HTTP POST parameter.

CISA KEV — Actively Exploited

Deserialization of Untrusted Data in the anti CSRF module in Sitecore through 9

Vendor / Product
— / —
Added to KEV
—
BOD 22-01 due
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Ransomware use
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CVSS / EPSS
8.8 — · EPSS 14.04%

01What CISA says about this vulnerability

Deserialization of Untrusted Data in the anti CSRF module in Sitecore through 9.1 allows an authenticated attacker to execute arbitrary code by sending a serialized .NET object in an HTTP POST parameter.

02Required action — verbatim from CISA

- CISA KEV: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

03Notes & references

No additional references available in the KB record.

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

No structured affected-product list available — see references below for vendor advisories.

06Detection

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