CVE-2023-3569

PHOENIX CONTACT: Denial-of-Service due to malicious XML files in TC ROUTER, TC CLOUD CLIENT and CLOUD CLIENT

MEDIUM

4.9

CVSS Score

Published: August 8, 2023 at 06:56 AM UTC

Updated: June 17, 2026 at 06:14 AM UTC

14 products affected across 1 vendorTc Router 3002T 4G Att FirmwareTc Cloud Client 1002-4g FirmwareTc Router 3002T 4G Firmware

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Severity

MEDIUM4.9

Exploit prediction

EPSS 1%

SSVC

No known exploit

Description

In PHOENIX CONTACTs TC ROUTER and TC CLOUD CLIENT in versions prior to 2.07.2 as well as CLOUD CLIENT 1101T-TX/TX prior to 2.06.10 an authenticated remote attacker with admin privileges could upload a crafted XML file which causes a denial-of-service.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cloud Client 1101T Tx Firmware · Phoenix Contact

95%

v < 2.06.10

Affected range stops below 2.06.10, so it looks safe — our inference, not a vendor statement

phoenixcontact-cloud-client-1101t-tx (same device)

Tc Cloud Client 1002-4g Att Firmware · Phoenix Contact

95%

v < 2.07.2

Affected range stops below 2.07.2, so it looks safe — our inference, not a vendor statement

phoenixcontact-tc-cloud-client-1002-4g-att (same device)

Tc Cloud Client 1002-4g Firmware · Phoenix Contact

95%

v < 2.07.2

Affected range stops below 2.07.2, so it looks safe — our inference, not a vendor statement

phoenixcontact-tc-cloud-client-1002-4g (same device)

Tc Cloud Client 1002-4g Vzw Firmware · Phoenix Contact

95%

v < 2.07.2

Affected range stops below 2.07.2, so it looks safe — our inference, not a vendor statement

phoenixcontact-tc-cloud-client-1002-4g-vzw (same device)

Tc Router 3002T 4G Att Firmware · Phoenix Contact

95%

v < 2.07.2

Affected range stops below 2.07.2, so it looks safe — our inference, not a vendor statement

phoenixcontact-tc-router-3002t-4g-att (same device)

Tc Router 3002T 4G Firmware · Phoenix Contact

95%

v < 2.07.2

Affected range stops below 2.07.2, so it looks safe — our inference, not a vendor statement

phoenixcontact-tc-router-3002t-4g (same device)

Tc Router 3002T 4G Vzw Firmware · Phoenix Contact

95%

v < 2.07.2

Affected range stops below 2.07.2, so it looks safe — our inference, not a vendor statement

phoenixcontact-tc-router-3002t-4g-vzw (same device)

Cloud Client 1101T Tx · Phoenix Contact

60%

v < 2.06.10

Affected range stops below 2.06.10, so it looks safe — our inference, not a vendor statement

TC CLOUD CLIENT 1002-4G ATT · Phoenix Contact

60%

v < 2.07.2

Affected range stops below 2.07.2, so it looks safe — our inference, not a vendor statement

TC ROUTER 3002T-4G · Phoenix Contact

60%

v < 2.07.2

Affected range stops below 2.07.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Source: [email protected]

http://packetstormsecurity.com/files/174152/Phoenix-Contact-TC-Cloud-TC-Router-2.x-XSS-Memory-Consumption.html

Source: [email protected]

http://seclists.org/fulldisclosure/2023/Aug/12

Third Party Advisory

Source: [email protected]

https://cert.vde.com/en/advisories/VDE-2023-017

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.9MEDIUMCERTVDE

Attack Vector: NETWORK
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-776

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