What is the CVSS score of CVE-2024-21796?

CVE-2024-21796 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.2%.

Electronic Deliverables Creation Support Tool CVE-2024-21796

MEDIUM

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

2024-01-24 vultures@jpcert.or.jp

XXE Electronic Deliverables Creation Support Tool

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Jan 24, 2024 - 02:15 nvd

MEDIUM 5.5

DescriptionNVD

Electronic Deliverables Creation Support Tool (Construction Edition) prior to Ver1.0.4 and Electronic Deliverables Creation Support Tool (Design & Survey Edition) prior to Ver1.0.4 improperly restrict XML external entity references (XXE). By processing a specially crafted XML file, arbitrary files on the system may be read by an attacker.

AnalysisAI

Electronic Deliverables Creation Support Tool (Construction Edition) prior to Ver1.0.4 and Electronic Deliverables Creation Support Tool (Design & Survey Edition) prior to Ver1.0.4 improperly. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. 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. Electronic Deliverables Creation Support Tool (Construction Edition) prior to Ver1.0.4 and Electronic Deliverables Creation Support Tool (Design & Survey Edition) prior to Ver1.0.4 improperly restrict XML external entity references (XXE). By processing a specially crafted XML file, arbitrary files on the system may be read by an attacker. Affected products include: Dfeg Electronic Deliverables Creation Support Tool.

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.