HOMEVULNERABILITIESCVE-2021-30064
CRITICAL

CVE-2021-30064

CWE-798Published: April 3, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

On Schneider Electric ConneXium Tofino Firewall TCSEFEA23F3F22 before 03.23, TCSEFEA23F3F20/21, and Belden Tofino Xenon Security Appliance, an SSH login can succeed with hardcoded default credentials (if the device is in the uncommissioned state).

NVD Source

Technical Analysis

CVE-2021-30064 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

belden20 product(s)
tofino xenon security appliance firmwaretofino xenon security appliancetofino argon fa-tsa-220-tx\/mm firmwaretofino argon fa-tsa-220-tx\/mmtofino argon fa-tsa-220-tx\/tx firmwaretofino argon fa-tsa-220-tx\/txtofino argon fa-tsa-220-mm\/tx firmwaretofino argon fa-tsa-220-mm\/txtofino argon fa-tsa-220-mm\/mm firmwaretofino argon fa-tsa-220-mm\/mmtofino argon fa-tsa-100-tx\/tx firmwaretofino argon fa-tsa-100-tx\/tx+8
schneider-electric6 product(s)
tcsefea23f3f20 firmwaretcsefea23f3f20tcsefea23f3f21 firmwaretcsefea23f3f21tcsefea23f3f22 firmwaretcsefea23f3f22
Source: NVD CPE · 26 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-011-05
ADVISORYhttps://www.belden.com/support/security-assurance
ADVISORYhttps://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-011-05
ADVISORYhttps://www.belden.com/support/security-assurance

All References (4)

→
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-011-05Vendor Advisory
→
https://www.belden.com/support/security-assuranceVendor Advisory
→
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-011-05Vendor Advisory
→
https://www.belden.com/support/security-assuranceVendor Advisory

Quick Facts

CVE IDCVE-2021-30064
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-798
CISA KEVNo
Affected2 vendor(s)
PublishedApr 3, 2022

Related CVEs (CWE-798)

CVE-2019-0022
10.0
CVE-2013-3542
10.0
CVE-2017-2343
10.0
CVE-2025-42890
10.0
CVE-2019-0020
10.0
CVE-2020-6779
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-30064 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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