CVE-2020-18703

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Published Aug 16, 2021 CVSS 3.1 · 9.8 Critical EPSS 2.8% KEV · Not listed

Description

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:quokka_project:quokka:0.4.0:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-0218	XML External Entities (XXE) in Quokka v0.4.0 allows remote attackers to execute arbitrary code via the component 'quokka/utils/atom.py'.
Github GHSA	GHSA-3xg5-6c3j-vp8x	Improper Restriction of XML External Entity Reference in Quokka

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 2.8% (2.771% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/rochacbruno/quokka/issues/676

History

No history.

Subscriptions

Quokka Project Quokka

Weaknesses

CWE-611

Sources

CVE record Updated: Aug 4, 2024, 2:08 PM

Status: PUBLISHED
Assigner: mitre
Published: Aug 16, 2021, 5:55 PM
Updated: Aug 4, 2024, 2:08 PM
Reserved: Aug 13, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 2:59 AM

Status: Modified
Published: Aug 16, 2021, 6:15 PM
Modified: Jun 17, 2026, 2:59 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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