How severe is CVE-2023-27066?

CVE-2023-27066 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-27066 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27066?

CVE-2023-27066 affects Sitecore Experience Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27066?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-27066 published?

CVE-2023-27066 was published on 2023-05-22 and last updated on 2026-06-17.

CVE-2023-27066

CVE-2023-27066 is a medium-severity vulnerability in Sitecore Experience Platform with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Sitecore Experience Platform
Published: 2023-05-22
Last modified: 2026-06-17

Description

Directory Traversal vulnerability in Site Core Experience Platform 10.2 and earlier allows authenticated remote attackers to download arbitrary files via Urlhandle.

Frequently asked questions

What is CVE-2023-27066?: Directory Traversal vulnerability in Site Core Experience Platform 10.2 and earlier allows authenticated remote attackers to download arbitrary files via Urlhandle.
How severe is CVE-2023-27066?: CVE-2023-27066 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-27066 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27066?: CVE-2023-27066 affects Sitecore Experience Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27066?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-27066 published?: CVE-2023-27066 was published on 2023-05-22 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Sitecore Experience Platform

CVE-2025-53693 — Critical (CVSS 9.8): Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Sitecore Sitecore…
CVE-2023-35813 — Critical (CVSS 9.8): Multiple Sitecore products allow remote code execution. This affects Experience Manager, Experience Platform, and…
CVE-2023-27068 — Critical (CVSS 9.8): Deserialization of Untrusted Data in Sitecore Experience Platform through 10.2 allows remote attackers to run arbitrary…
CVE-2021-42237 — Critical (CVSS 9.8): Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure deserialization attack where…
CVE-2019-9874 — Critical (CVSS 9.8): Deserialization of Untrusted Data in the Sitecore.Security.AntiCSRF (aka anti CSRF) module in Sitecore CMS 7.0 to 7.2…
CVE-2025-53690 — Critical (CVSS 9.0): Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP)…

All CVEs affecting Sitecore Experience Platform →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →