Synology DiskStation Manager Use After Free (CVE-2021-27646)

critical Tenable OT Security Plugin ID 502456

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Use After Free vulnerability in iscsi_snapshot_comm_core in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute arbitrary code via crafted web requests.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

Plugin Details

Severity: Critical

ID: 502456

Version: 1.3

Type: remote

Family: Tenable.ot

Published: 10/1/2024

Updated: 12/5/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2021-27646

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/a:synology:diskstation_manager

Required KB Items: Tenable.ot/Synology

Exploit Ease: No known exploits are available

Patch Publication Date: 3/12/2021

Vulnerability Publication Date: 3/12/2021

Reference Information

CVE: CVE-2021-27646

CWE: 416

Detections

Analytics