Is CVE-2021-37847 actively exploited?

CVE-2021-37847 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-37847?

CVE-2021-37847 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

How do I patch CVE-2021-37847?

Patch guidance is available from pengutronix security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-37847.

Which products are affected by CVE-2021-37847?

1 product: pengutronix barebox.

Fix CVE-2021-37847 - HIGH pengutronix barebox

Description

crypto/digest.c in Pengutronix barebox through 2021.07.0 leaks timing information because memcmp is used during digest verification.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none
Weaknesses: NVD-CWE-noinfo

Metadata

Primary Vendor: PENGUTRONIX
Published: 8/2/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-37847

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary