CVE-2021-27647CWE-125

Out-of-bounds Read vulnerability in iscsi_snapshot_comm_core in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute…

Critical · published March 12, 2021

CVSS v3.1
9.8
EPSS
3%
Percentile
88.2
In the wild
Unconfirmed
What it is

🚨 An out-of-bounds read vulnerability in Synology's DiskStation Manager could let attackers execute arbitrary code—like giving a thief access to your house through an unlocked window! 🔥 Think of it like a restaurant that forgets to check if a dish is actually on the menu. If someone places an order for a hidden item, the kitchen might whip up something dangerous without a second thought! If exploited, an attacker could gain complete control over the system, potentially allowing them to steal sensitive data, install malware, or disrupt services. This could result in devastating consequences for any organization relying on Synology for data storage and management.

Put simply

Think of it like a restaurant that forgets to check if a dish is actually on the menu. If someone places an order for a hidden item, the kitchen might whip up something dangerous without a second thought! This vulnerability occurs in iscsi_snapshot_comm_core within Synology's DiskStation Manager (DSM) versions prior to 6.2.3-25426-3. By sending crafted web requests, an attacker can trigger an out-of-bounds read, leading to arbitrary code execution.

What to do

If exploited, an attacker could gain complete control over the system, potentially allowing them to steal sensitive data, install malware, or disrupt services. This could result in devastating consequences for any organization relying on Synology for data storage and management. Update your Synology DiskStation Manager to version 6.2.3-25426-3 or later immediately. Additionally, review your security policies and restrict access to necessary users while monitoring for suspicious activity. Don't delay—this is critical! You've got this! Take action now to protect your data fortress! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.03245 · 88.2th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2021-03-12T06:35Z
EPSS history
Timeline
  • 12 MAR 06:35Z
    Out-of-bounds Read vulnerability in iscsi_snapshot_comm_core in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute…
    cvelistv5