CVE-2021-42770

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Published Nov 8, 2021 CVSS 3.1 · 6.1 Medium EPSS 1.4% KEV · Not listed

Description

A Cross-site scripting (XSS) vulnerability was discovered in OPNsense before 21.7.4 via the LDAP attribute return in the authentication tester.

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 [-]

OR	cpe:2.3:a:opnsense:opnsense::::::::
	cpe:2.3:a:opnsense:opnsense::::::::

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-2021-29727	A Cross-site scripting (XSS) vulnerability was discovered in OPNsense before 21.7.4 via the LDAP attribute return in the authentication tester.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 1.4% (1.374% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://cert.orange.com
https://github.com/orangecertcc/security-research/security/advisories/GHSA-r32j-xgg3-w2rw
https://opnsense.org/opnsense-21-7-4-released/

History

No history.

Subscriptions

Opnsense Opnsense

Weaknesses

CWE-79

Sources

CVE record Updated: Aug 4, 2024, 3:38 AM

Status: PUBLISHED
Assigner: mitre
Published: Nov 8, 2021, 3:21 PM
Updated: Aug 4, 2024, 3:38 AM
Reserved: Oct 20, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:10 AM

Status: Modified
Published: Nov 8, 2021, 4:15 PM
Modified: Jun 17, 2026, 4:10 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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