CVE-2021-45488 - Vulnerability Details - OpenCVE

Description

In NetBSD through 9.2, there is an information leak in the TCP ISN (ISS) generation algorithm.

Published: 2021-12-25

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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:o:netbsd:netbsd:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-32254	In NetBSD through 9.2, there is an information leak in the TCP ISN (ISS) generation algorithm.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00964.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2021-001.txt.asc
https://arxiv.org/pdf/2112.09604.pdf

History

No history.

Subscriptions

Netbsd Netbsd

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-12-25T01:03:58.000Z

Updated: 2024-08-04T04:39:21.047Z

Reserved: 2021-12-25T00:00:00.000Z

Link: CVE-2021-45488

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-12-25T02:15:06.803

Modified: 2026-06-17T04:13:29.583

Link: CVE-2021-45488

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-330
Use of Insufficiently Random Values

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