CVE-2021-38597

CVSS V2 Medium 4.3 CVSS V3 Medium 5.9

Description

wolfSSL before 4.8.1 incorrectly skips OCSP verification in certain situations of irrelevant response data that contains the NoCheck extension.

Overview

CVE ID
CVE-2021-38597

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2021-08-12T15:15:08

Last Modified Date
2021-08-23T14:07:03

Weakness Enumerations

CWE	URL
CWE-345	http://cwe.mitre.org/data/definitions/345.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:wolfssl:wolfssl::::::::	1	OR		4.8.1

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:N/C:P/I:N/A:N

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
4.3

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK

Attack Compatibility
HIGH

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
5.9

Base Severity
MEDIUM

Exploitability Score
2.2

Impact Score
3.6

References

Reference URL	Reference Tags
https://www.wolfssl.com/docs/wolfssl-changelog/	Release Notes Vendor Advisory
https://github.com/wolfSSL/wolfssl/commit/f93083be72a3b3d956b52a7ec13f307a27b6e093	Patch Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-38597
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38597

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:56:30				Added to TrackCVE
2022-12-05 08:01:44	2021-08-12T15:15Z	2021-08-12T15:15:08	CVE Published Date	updated
2022-12-05 08:01:44		2021-08-23T14:07:03	CVE Modified Date	updated
2022-12-05 08:01:44		Analyzed	Vulnerability Status	updated