Subnet Solutions PowerSYSTEM Center 2026 up to 5.28.x Email Notification crlf injection

Summaryinfo

A vulnerability identified as problematic has been detected in Subnet Solutions PowerSYSTEM Center 2020, PowerSYSTEM Center 2024 and PowerSYSTEM Center 2026 up to 5.28.x. Impacted is an unknown function of the component Email Notification Handler. This manipulation causes crlf injection. The identification of this vulnerability is CVE-2026-35504. The attack needs to be done within the local network. There is no exploit available.

Detailsinfo

A vulnerability has been found in Subnet Solutions PowerSYSTEM Center 2020, PowerSYSTEM Center 2024 and PowerSYSTEM Center 2026 up to 5.28.x and classified as problematic. Affected by this vulnerability is some unknown functionality of the component Email Notification Handler. The manipulation with an unknown input leads to a crlf injection vulnerability. The CWE definition for the vulnerability is CWE-93. The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

PowerSYSTEM Center email notification service is affected by a CRLF injection vulnerability when using SMTPS communication.

The weakness was shared by Kelly Stich as icsa-26-132-02. It is possible to read the advisory at cisa.gov. This vulnerability is known as CVE-2026-35504 since 04/16/2026. The exploitation appears to be easy. The attack can only be initiated within the local network. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/12/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Subnet Solutions

Name

• PowerSYSTEM Center 2020
• PowerSYSTEM Center 2024
• PowerSYSTEM Center 2026

Version

• 5.0
• 5.1
• 5.2
• 5.3
• 5.4
• 5.5
• 5.6
• 5.7
• 5.8
• 5.9
• 5.10
• 5.11
• 5.12
• 5.13
• 5.14
• 5.15
• 5.16
• 5.17
• 5.18
• 5.19
• 5.20
• 5.21
• 5.22
• 5.23
• 5.24
• 5.25
• 5.26
• 5.27
• 5.28

CPE 2.3info

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CPE 2.2info

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