Linux Distros Unpatched Vulnerability : CVE-2020-23026

high Nessus Plugin ID 262685

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

- A NULL pointer dereference in the main() function dhry_1.c of dhrystone 2.1 causes a denial of service (DoS). (CVE-2020-23026)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

Plugin Details

Severity: High

ID: 262685

File Name: unpatched_CVE_2020_23026.nasl

Version: 1.1

Type: local

Agent: unix

Family: Misc.

Published: 9/10/2025

Updated: 9/10/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2020-23026

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:gcc-i686-linux-android, p-cpe:/a:canonical:ubuntu_linux:gcc-9-cross, p-cpe:/a:canonical:ubuntu_linux:gcc-mingw-w64, p-cpe:/a:canonical:ubuntu_linux:gcc-4.9, p-cpe:/a:canonical:ubuntu_linux:gcc-7-cross, p-cpe:/a:canonical:ubuntu_linux:gcc-arm-linux-androideabi, p-cpe:/a:canonical:ubuntu_linux:gcc-opt, p-cpe:/a:canonical:ubuntu_linux:gcc-8-cross, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:gcc-9, p-cpe:/a:canonical:ubuntu_linux:gcc-avr, p-cpe:/a:canonical:ubuntu_linux:gcc-m68hc1x, p-cpe:/a:canonical:ubuntu_linux:gcc-4.7, p-cpe:/a:canonical:ubuntu_linux:gcc-8, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:gcc-3.3, p-cpe:/a:canonical:ubuntu_linux:gcc-snapshot, p-cpe:/a:canonical:ubuntu_linux:gccgo-6, p-cpe:/a:canonical:ubuntu_linux:gcc-4.8-armhf-cross, p-cpe:/a:canonical:ubuntu_linux:gcc-4.7-armhf-cross, p-cpe:/a:canonical:ubuntu_linux:gcc-6, p-cpe:/a:canonical:ubuntu_linux:gcc-msp430, p-cpe:/a:canonical:ubuntu_linux:gcc-defaults, p-cpe:/a:canonical:ubuntu_linux:gcc-5-cross, p-cpe:/a:canonical:ubuntu_linux:gcc-4.8-arm64-cross, p-cpe:/a:canonical:ubuntu_linux:gccgo-4.9, p-cpe:/a:canonical:ubuntu_linux:gcc-h8300-hms, p-cpe:/a:canonical:ubuntu_linux:gcc-5, p-cpe:/a:canonical:ubuntu_linux:gcc-4.8, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:gcc-arm-none-eabi, p-cpe:/a:canonical:ubuntu_linux:gcc-4.7-armel-cross, p-cpe:/a:canonical:ubuntu_linux:gcc-6-cross-ports, p-cpe:/a:canonical:ubuntu_linux:gcc-8-cross-ports, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:gcc-4.8-ppc64el-cross, p-cpe:/a:canonical:ubuntu_linux:gcc-4.8-powerpc-cross, p-cpe:/a:canonical:ubuntu_linux:gcc-6-cross, p-cpe:/a:canonical:ubuntu_linux:gcc-9-cross-ports, p-cpe:/a:canonical:ubuntu_linux:gcc-7-cross-ports, p-cpe:/a:canonical:ubuntu_linux:gcc-7

Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 1/3/2022

Reference Information

CVE: CVE-2020-23026

Detections

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