CVE-2020-29562

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

04/12/2020

Last modified:

09/06/2025

Description

The iconv function in the GNU C Library (aka glibc or libc6) 2.30 to 2.32, when converting UCS4 text containing an irreversible character, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 4.80 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

4.80

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:H/Au:S/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 2.10 LOW
Vector: AV:N/AC:H/Au:S/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): High
Authentication (Au): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

2.10

Severity 2.0

LOW

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:gnu:glibc::::::::	2.30 (including)	2.32 (including)
cpe:2.3:o:fedoraproject:fedora:32:::::::*
cpe:2.3:a:netapp:e-series_santricity_os_controller::::::::	11.0.0 (including)	11.60.3 (including)

To consult the complete list of CPE names with products and versions, see this page

CVE-2020-29562

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools