What is the CVSS score of CVE-2020-35604?

CVE-2020-35604 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: 1.6%.

Is there a public PoC exploit available for CVE-2020-35604?

Yes, a public proof-of-concept exploit is available for CVE-2020-35604. Prioritise patching immediately. EPSS: 1.6%.

Web Time And Attendance CVE-2020-35604

CRITICAL

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

2020-12-21 cve@mitre.org

XXE Web Time And Attendance

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 21, 2020 - 19:15 nvd

CRITICAL 9.8

DescriptionNVD

An XXE attack can occur in Kronos WebTA 5.0.4 when SAML is used.

AnalysisAI

An XXE attack can occur in Kronos WebTA 5.0.4 when SAML is used. 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. An XXE attack can occur in Kronos WebTA 5.0.4 when SAML is used. Affected products include: Kronos Web Time And Attendance.

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.