A vulnerability was found in Phoenix Contact FL SWITCH up to 1.34. It has been rated as problematic. Affected by this issue is an unknown function of the component Web UI. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The WebUI of PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, 48xx versions prior to 1.35 is vulnerable to brute-force attacks, because of Improper Restriction of Excessive Authentication Attempts.

The bug was discovered 01/24/2019. The weakness was shared 05/06/2019. This vulnerability is handled as CVE-2018-13990 since 07/11/2018. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 102 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.35 eliminates this vulnerability.

The entries VDB-134442, VDB-134443, VDB-134444 and VDB-134445 are related to this item.

Productinfo

Vendor

• Phoenix Contact

Name

• FL SWITCH

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33
• 1.34

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion