Security Resilience

CVE-2023-33652

Sitecore Experience Platform 9.3

Public PoC
Published
06 June 2023
Modified
08 January 2025
CVSS Score v3.1 8.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.025 84th percentile
Risk Priority 69 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-33652 is a high-severity Unsafe Reflection (CWE-470) vulnerability in Sitecore Experience Platform. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Data Obfuscation (T1001); ranked in the top 16% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

Sitecore Experience Platform (XP) v9.3 was discovered to contain an authenticated remote code execution (RCE) vulnerability via the component /sitecore/shell/Invoke.aspx.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1001 Data Obfuscation Command And Control
Adversaries may obfuscate command and control traffic to make it more difficult to detect.
T1001.002 Steganography Command And Control
Adversaries may use steganographic techniques to hide command and control traffic to make detection efforts more difficult.
T1003.008 /etc/passwd and /etc/shadow Credential Access
Adversaries may attempt to dump the contents of <code>/etc/passwd</code> and <code>/etc/shadow</code> to enable offline password cracking.
T1006 Direct Volume Access Stealth
Adversaries may directly access a volume to bypass file access controls and file system monitoring.
T1008 Fallback Channels Command And Control
Adversaries may use fallback or alternate communication channels if the primary channel is compromised or inaccessible in order to maintain reliable command and control and to avoid data transfer thresholds.
T1011 Exfiltration Over Other Network Medium Exfiltration
Adversaries may attempt to exfiltrate data over a different network medium than the command and control channel.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2025-53693Same product: Sitecore Experience Platform
CVE-2023-27068Same product: Sitecore Experience Platform
CVE-2023-33653Same product: Sitecore Experience Platform
CVE-2023-27066Same product: Sitecore Experience Platform
CVE-2023-27067Same product: Sitecore Experience Platform
CVE-2021-42237Same product: Sitecore Experience Platform
CVE-2019-9874Same product: Sitecore Experience Platform
CVE-2023-26262Same product: Sitecore Experience Platform
CVE-2024-46938Same product: Sitecore Experience Platform
CVE-2023-33651Same product: Sitecore Experience Platform

Affected Assets

sitecore
experience platform
9.3

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-470

Externally controlled class or code selection can be resolved and invoked inside the chamber, surfacing unsafe reflection without system impact.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

ID.RA-01 partial match
blocks

Vulnerability identification processes can discover unsafe reflection during code review or scanning.

PR.PS-05 partial match
blocks

Preventing execution of unauthorized code can block exploitation of unsafe reflection at runtime.

PR.PS-06 partial match
blocks

Secure SDLC practices directly avoid introducing externally controlled class selection via reflection.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

blocks

A.8.25 mandates secure SDLC practices including secure coding guidelines, security requirements, checkpoints, testing (scans/penetration), and developer training that can catch/prevent unsafe reflection flaws during development; this stops exploitation for a minority slice (first-party code written under the process) but leaves the bulk of the weakness (e.g. in third-party libraries, legacy code, or incomplete enforcement) untouched.

blocks

Application security requirements can explicitly prohibit or constrain reflection based on untrusted input.

blocks

A.8.27 mandates security-by-design principles (e.g. distrust external input, least privilege, secure session control, data validation/sanitization, design reviews against attack patterns) that reach a slice of unsafe reflection cases but leave a bounded remainder (e.g. reflection in third-party libraries or dynamic class loading where principles are applied incompletely).

prevents

Secure coding standards directly forbid unsafe reflection and require whitelisting or static alternatives.

References