Detections
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Linux Distros Unpatched Vulnerability : CVE-2021-41817

high Nessus Plugin ID 224141

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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.

 - Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1. (CVE-2021-41817)

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

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2021-41817

Plugin Details

Severity: High

ID: 224141

File Name: unpatched_CVE_2021_41817.nasl

Version: 1.2

Type: local

Agent: unix

Family: Misc.

Published: 3/5/2025

Updated: 8/20/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2021-41817

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:ruby-irb, p-cpe:/a:centos:centos:ruby-devel, p-cpe:/a:centos:centos:ruby-libs, p-cpe:/a:centos:centos:rubygems, p-cpe:/a:redhat:enterprise_linux:rubygem-json, p-cpe:/a:redhat:enterprise_linux:rubygem-rdoc, p-cpe:/a:centos:centos:rubygem-bigdecimal, p-cpe:/a:redhat:enterprise_linux:rubygem-io-console, p-cpe:/a:redhat:enterprise_linux:rubygem-psych, p-cpe:/a:redhat:enterprise_linux:ruby-tcltk, p-cpe:/a:redhat:enterprise_linux:rubygem-minitest, p-cpe:/a:centos:centos:rubygem-rake, p-cpe:/a:centos:centos:ruby-tcltk, p-cpe:/a:centos:centos:rubygem-psych, p-cpe:/a:centos:centos:rubygem-rdoc, p-cpe:/a:redhat:enterprise_linux:ruby-libs, p-cpe:/a:centos:centos:rubygem-json, p-cpe:/a:redhat:enterprise_linux:rubygem-bigdecimal, p-cpe:/a:centos:centos:ruby-irb, p-cpe:/a:centos:centos:rubygem-minitest, p-cpe:/a:redhat:enterprise_linux:rubygems-devel, p-cpe:/a:redhat:enterprise_linux:ruby-devel, p-cpe:/a:redhat:enterprise_linux:ruby-doc, p-cpe:/a:centos:centos:rubygems-devel, p-cpe:/a:redhat:enterprise_linux:rubygems, cpe:/o:centos:centos:7, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:centos:centos:ruby-doc, p-cpe:/a:redhat:enterprise_linux:rubygem-rake, p-cpe:/a:centos:centos:rubygem-io-console, p-cpe:/a:redhat:enterprise_linux:ruby, p-cpe:/a:centos:centos:ruby

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

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 11/16/2021

Reference Information

CVE: CVE-2021-41817