How severe is CVE-2019-11080?

CVE-2019-11080 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-11080 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-11080?

CVE-2019-11080 affects Sitecore Experience Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-11080?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-11080 published?

CVE-2019-11080 was published on 2019-06-06 and last updated on 2026-06-17.

CVE-2019-11080

CVE-2019-11080 is a high-severity vulnerability in Sitecore Experience Platform with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-502.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Sitecore Experience Platform
Published: 2019-06-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2019-11080?: CVE-2019-11080 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-11080 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-11080?: CVE-2019-11080 affects Sitecore Experience Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-11080?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-11080 published?: CVE-2019-11080 was published on 2019-06-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sitecore:experience_platform:*:*:*:*:*:*:*:*

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