Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2021-25668

Disclosure Date: April 22, 2021 •
CVE-2021-25668 CVSS v3 Base Score: 9.8
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT PRO (All versions < 5.5.1), SCALANCE X202-2 IRT (All versions < 5.5.1), SCALANCE X202-2P IRT (incl. SIPLUS NET variant) (All versions < 5.5.1), SCALANCE X202-2P IRT PRO (All versions < 5.5.1), SCALANCE X204 IRT (All versions < 5.5.1), SCALANCE X204 IRT PRO (All versions < 5.5.1), SCALANCE X204-2 (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE X204-2FM (All versions < V5.2.5), SCALANCE X204-2LD (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE X204-2LD TS (All versions < V5.2.5), SCALANCE X204-2TS (All versions < V5.2.5), SCALANCE X206-1 (All versions < V5.2.5), SCALANCE X206-1LD (All versions < V5.2.5), SCALANCE X208 (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE X208PRO (All versions < V5.2.5), SCALANCE X212-2 (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE X212-2LD (All versions < V5.2.5), SCALANCE X216 (All versions < V5.2.5), SCALANCE X224 (All versions < V5.2.5), SCALANCE XF201-3P IRT (All versions < 5.5.1), SCALANCE XF202-2P IRT (All versions < 5.5.1), SCALANCE XF204 (All versions < V5.2.5), SCALANCE XF204 IRT (All versions < 5.5.1), SCALANCE XF204-2 (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE XF204-2BA IRT (All versions < 5.5.1), SCALANCE XF206-1 (All versions < V5.2.5), SCALANCE XF208 (All versions < V5.2.5). Incorrect processing of POST requests in the webserver may result in write out of bounds in heap. An attacker might leverage this to cause denial-of-service on the device and potentially remotely execute code.

Add Assessment

No one has assessed this topic. Be the first to add your voice to the community.

CVSS V3 Severity and Metrics
Base Score:
9.8 Critical
Impact Score:
5.9
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
SCALANCE X200-4P IRT All versions < 5.5.1
SCALANCE X201-3P IRT All versions < 5.5.1
SCALANCE X201-3P IRT PRO All versions < 5.5.1
SCALANCE X202-2 IRT All versions < 5.5.1
SCALANCE X202-2P IRT (incl. SIPLUS NET variant) All versions < 5.5.1
SCALANCE X202-2P IRT PRO All versions < 5.5.1
SCALANCE X204 IRT All versions < 5.5.1
SCALANCE X204 IRT PRO All versions < 5.5.1
SCALANCE X204-2 (incl. SIPLUS NET variant) All versions < V5.2.5
SCALANCE X204-2FM All versions < V5.2.5
SCALANCE X204-2LD (incl. SIPLUS NET variant) All versions < V5.2.5
SCALANCE X204-2LD TS All versions < V5.2.5
SCALANCE X204-2TS All versions < V5.2.5
SCALANCE X206-1 All versions < V5.2.5
SCALANCE X206-1LD All versions < V5.2.5
SCALANCE X208 (incl. SIPLUS NET variant) All versions < V5.2.5
SCALANCE X208PRO All versions < V5.2.5
SCALANCE X212-2 (incl. SIPLUS NET variant) All versions < V5.2.5
SCALANCE X212-2LD All versions < V5.2.5
SCALANCE X216 All versions < V5.2.5
SCALANCE X224 All versions < V5.2.5
SCALANCE XF201-3P IRT All versions < 5.5.1
SCALANCE XF202-2P IRT All versions < 5.5.1
SCALANCE XF204 All versions < V5.2.5
SCALANCE XF204 IRT All versions < 5.5.1
SCALANCE XF204-2 (incl. SIPLUS NET variant) All versions < V5.2.5
SCALANCE XF204-2BA IRT All versions < 5.5.1
SCALANCE XF206-1 All versions < V5.2.5
SCALANCE XF208 All versions < V5.2.5
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Additional Info

Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Technical Analysis