What is the CVSS score of CVE-2018-19277?

CVE-2018-19277 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 7.8%.

Is there a public PoC exploit available for CVE-2018-19277?

Yes, a public proof-of-concept exploit is available for CVE-2018-19277. Prioritise patching immediately. EPSS: 7.8%.

Is there a patch available for CVE-2018-19277?

Yes, a patch is available for CVE-2018-19277. Update the affected software to the latest version immediately.

Phpspreadsheet CVE-2018-19277

HIGH

XML Injection (aka Blind XPath Injection) (CWE-91)

2018-11-14 cve@mitre.org

XXE Phpspreadsheet

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Nov 14, 2018 - 11:29 nvd

HIGH 8.8

DescriptionNVD

securityScan() in PHPOffice PhpSpreadsheet through 1.5.0 allows a bypass of protection mechanisms for XXE via UTF-7 encoding in a .xlsx file

AnalysisAI

securityScan() in PHPOffice PhpSpreadsheet through 1.5.0 allows a bypass of protection mechanisms for XXE via UTF-7 encoding in a .xlsx file. Rated high severity (CVSS 8.8), 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 under CWE-91. securityScan() in PHPOffice PhpSpreadsheet through 1.5.0 allows a bypass of protection mechanisms for XXE via UTF-7 encoding in a .xlsx file Affected products include: Phpoffice Phpspreadsheet. Version information: through 1.5.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.