Detections
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Alpine: multiple snort packages: security update to 2.9.18-r0

high Tenable Self-Hosted Container Security Plugin ID 424498

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Multiple Cisco products are affected by a vulnerability in the way the Snort detection engine processes
 ICMP traffic that could allow an unauthenticated, remote attacker to cause a denial of service (DoS)
 condition on an affected device. The vulnerability is due to improper memory resource management while the
 Snort detection engine is processing ICMP packets. An attacker could exploit this vulnerability by sending
 a series of ICMP packets through an affected device. A successful exploit could allow the attacker to
 exhaust resources on the affected device, causing the device to reload. (CVE-2021-40114)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-40114

Plugin Details

Severity: High

ID: 424498

Version: Revision 1.8

Type: Local

Published: 4/4/2025

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2021-40114

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

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 10/27/2021

Reference Information

CVE: CVE-2021-40114