What is the CVSS score of CVE-2021-28110?

CVE-2021-28110 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.0%.

Tranzware E Commerce Payment Gateway CVE-2021-28110

HIGH

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

2021-03-19 cve@mitre.org

XXE Tranzware E Commerce Payment Gateway

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Mar 19, 2021 - 04:15 nvd

HIGH 7.5

DescriptionNVD

/exec in TranzWare e-Commerce Payment Gateway (TWEC PG) before 3.1.27.5 had a vulnerability in its XML parser.

AnalysisAI

/exec in TranzWare e-Commerce Payment Gateway (TWEC PG) before 3.1.27.5 had a vulnerability in its XML parser. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, 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. /exec in TranzWare e-Commerce Payment Gateway (TWEC PG) before 3.1.27.5 had a vulnerability in its XML parser. Affected products include: Compassplus Tranzware E-Commerce Payment Gateway. Version information: before 3.1.27.5.

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.