CVE-2023-33983

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Published May 24, 2023 CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed

Description

The Introduction Client in Briar through 1.5.3 does not implement out-of-band verification for the public keys of introducees. An introducer can launch man-in-the-middle attacks against later private communication between two introduced parties.

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:briarproject:briar:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-38107	The Introduction Client in Briar through 1.5.3 does not implement out-of-band verification for the public keys of introducees. An introducer can launch man-in-the-middle attacks against later private communication between two introduced parties.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.591% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_YuanmingSong.pdf

History

Jan 16, 2025 4:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Briarproject Briar

Weaknesses

CWE-862

Sources

CVE record Updated: Jan 16, 2025, 3:47 PM

Status: PUBLISHED
Assigner: mitre
Published: May 24, 2023, 12:00 AM
Updated: Jan 16, 2025, 3:47 PM
Reserved: May 24, 2023, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 3:54 PM

Updated: Aug 2, 2024, 3:54 PM

NVD Updated: Jun 17, 2026, 6:02 AM

Status: Modified
Published: May 24, 2023, 6:15 PM
Modified: Jun 17, 2026, 6:02 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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