VDB-177629 · CVE-2021-33540 · vde-2021-021

Phoenix Contact AXL F BK PN TPS XC FTP hard-coded credentials

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Phoenix Contact AXL F BK PN TPS XC, AXL F BK PN TPS, AXL F BK EIP FW, AXL F BK EIP EF, AXL F BK ETH, AXL F BK ETH XC, AXL F BK S3, AXL F BK PN, AXL F BK PN XC, AXL F BK ETH NET2, AXL F BK SAS, IL PN BK-PAC, IL PN BK DI8 DO4 2TX-PAC, IL PN BK DI8 DO4 2SCRJ-PAC, IL ETH BK DI8 DO4 2TX-XC-PAC, IL ETH BK DI8 DO4 2TX-PAC, IL EIP BK DI8 DO4 2TX-PAC and IL S3 BK DI8 DO4 2TX-PAC. Affected by this issue is some unknown functionality of the component FTP. The manipulation leads to hard-coded credentials. This vulnerability is traded as CVE-2021-33540. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Phoenix Contact AXL F BK PN TPS XC, AXL F BK PN TPS, AXL F BK EIP FW, AXL F BK EIP EF, AXL F BK ETH, AXL F BK ETH XC, AXL F BK S3, AXL F BK PN, AXL F BK PN XC, AXL F BK ETH NET2, AXL F BK SAS, IL PN BK-PAC, IL PN BK DI8 DO4 2TX-PAC, IL PN BK DI8 DO4 2SCRJ-PAC, IL ETH BK DI8 DO4 2TX-XC-PAC, IL ETH BK DI8 DO4 2TX-PAC, IL EIP BK DI8 DO4 2TX-PAC and IL S3 BK DI8 DO4 2TX-PAC and classified as critical. This issue affects an unknown code of the component FTP. The manipulation with an unknown input leads to a hard-coded credentials vulnerability. Using CWE to declare the problem leads to CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. Impacted is confidentiality, integrity, and availability.

The weakness was shared 06/26/2021 as vde-2021-021. The advisory is shared at cert.vde.com. The identification of this vulnerability is CVE-2021-33540. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1110.001 for this issue.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Phoenix Contact

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Hard-coded credentials
CWE: CWE-798 / CWE-259 / CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/24/2021 🔍
06/26/2021 +33 days 🔍
06/26/2021 +0 days 🔍
07/02/2021 +6 days 🔍

Sourcesinfo

Advisory: vde-2021-021
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-33540 (🔍)
GCVE (CVE): GCVE-0-2021-33540
GCVE (VulDB): GCVE-100-177629

Entryinfo

Created: 06/26/2021 06:31
Updated: 07/02/2021 21:11
Changes: 06/26/2021 06:31 (37), 07/02/2021 21:04 (6), 07/02/2021 21:11 (1)
Complete: 🔍
Cache ID: 216::103