Linux Distros Unpatched Vulnerability : CVE-2020-18771

high Nessus Plugin ID 223364

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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.

- Exiv2 0.27.99.0 has a global buffer over-read in Exiv2::Internal::Nikon1MakerNote::print0x0088 in nikonmn_int.cpp which can result in an information leak. (CVE-2020-18771)

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: 223364

File Name: unpatched_CVE_2020_18771.nasl

Version: 1.5

Type: local

Agent: unix

Family: Misc.

Published: 3/4/2025

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: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.5

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

CVSS Score Source: CVE-2020-18771

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:centos:centos:exiv2-doc, p-cpe:/a:centos:centos:exiv2-libs, p-cpe:/a:redhat:enterprise_linux:exiv2-doc, p-cpe:/a:redhat:enterprise_linux:exiv2-libs, p-cpe:/a:centos:centos:compat-exiv2-026, p-cpe:/a:redhat:enterprise_linux:compat-exiv2-026, cpe:/o:redhat:enterprise_linux:8, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:centos:centos:exiv2, p-cpe:/a:centos:centos:exiv2-devel, p-cpe:/a:redhat:enterprise_linux:exiv2, p-cpe:/a:redhat:enterprise_linux:exiv2-devel, p-cpe:/a:canonical:ubuntu_linux:exiv2, cpe:/o:centos:centos:8, cpe:/o:redhat:enterprise_linux:9

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

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 8/23/2021

Reference Information

CVE: CVE-2020-18771

Detections

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