CVE-2020-18703 : XML External Entities (XXE) in Quokka v0.4.0 allows remote attackers to execute

XML External Entities (XXE) in Quokka v0.4.0 allows remote attackers to execute arbitrary code via the component 'quokka/utils/atom.py'.

Published 2021-08-16 18:15:07

Updated 2021-08-23 19:57:43

Source MITRE

View at NVD, CVE.org

Vulnerability category: XML external entity (XXE) injectionExecute code

Products affected by CVE-2020-18703

Quokka Project » Quokka » Version: 0.4.0
cpe:2.3:a:quokka_project:quokka:0.4.0:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.67%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 80 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-611 Improper Restriction of XML External Entity Reference

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

Assigned by: nvd@nist.gov (Primary)

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