What is the CVSS score of CVE-2023-52252?

CVE-2023-52252 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.1%.

Is there a public PoC exploit available for CVE-2023-52252?

Yes, a public proof-of-concept exploit is available for CVE-2023-52252. Prioritise patching immediately. EPSS: 1.1%.

Unified Remote CVE-2023-52252

CRITICAL

Improper Restriction of XML External Entity Reference (CWE-611)

2023-12-30 cve@mitre.org

XXE Unified Remote

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 30, 2023 - 06:15 nvd

CRITICAL 9.8

DescriptionNVD

Unified Remote 3.13.0 allows remote attackers to execute arbitrary Lua code because of a wildcarded Access-Control-Allow-Origin for the Remote upload endpoint.

AnalysisAI

Unified Remote 3.13.0 allows remote attackers to execute arbitrary Lua code because of a wildcarded Access-Control-Allow-Origin for the Remote upload endpoint. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. Unified Remote 3.13.0 allows remote attackers to execute arbitrary Lua code because of a wildcarded Access-Control-Allow-Origin for the Remote upload endpoint. Affected products include: Unifiedremote Unified Remote.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.