Description

Plaintext storage of a password issue exists in CONPROSYS nano Series . If this vulnerability is exploited, an attacker with physical access to the product may obtain credentials.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "4.2",
  "pubDate": "2026-09-14T07:17:20.087Z",
  "pubdate": "2026-09-14T07:17:20.087Z",
  "executiveSummary": "A vulnerability involving the plaintext storage of sensitive credentials exists within the CONPROSYS nano Series.\nThis security flaw allows an attacker possessing physical access to the target hardware to retrieve stored credentials, potentially leading to unauthorized system administration or full device compromise.\nThe vulnerability is characterized by improper protection of static secrets, which are stored in a non-volatile memory or configuration file without sufficient cryptographic obfuscation or encryption.\nThe risk is primarily localized to scenarios where the device is physically accessible to unauthorized parties, such as in unsecured industrial or field environments.\nExploitation requires physical proximity to the device, enabling an attacker to bypass standard logical authentication mechanisms by directly accessing the underlying storage medium.\nThe impact is significant, as compromised credentials may grant the attacker complete control over the device's operational parameters, potentially facilitating further network propagation or manipulation of industrial control processes.",
  "technicalDetails": "The vulnerability resides in the internal storage architecture of the CONPROSYS nano Series, where authentication credentials are maintained in plaintext format.\nThe root cause is the lack of implementing robust data-at-rest protection mechanisms, such as hardware-backed encryption, secure key storage (e.g., TPM/HSM), or strong obfuscation of sensitive configuration parameters.\nAn attacker with physical access can leverage standard forensic acquisition techniques or interface-based extraction (such as JTAG, UART, or direct memory dumping from storage media) to extract the firmware or configuration data stored on the device.\nOnce the storage medium is dumped, the plaintext credentials can be parsed directly from the configuration files or binary data structures without the need for cryptographic decryption or brute-force key derivation.\nThe attack flow follows a clear progression: first, the attacker gains physical possession or access to the device cabinet; second, they utilize low-level hardware debugging interfaces or remove the storage medium (such as an eMMC or flash memory chip) to acquire a raw image of the system data; third, they analyze the retrieved files to locate and extract the cleartext password strings.\nThe vulnerability is not contingent upon network connectivity or software-level authentication bypasses, as it occurs at the hardware layer, rendering network-based perimeter defenses ineffective against this vector.\nPost-exploitation, an attacker can use the discovered credentials to authenticate to the web-based management interface or administrative consoles, effectively bypassing existing logical security controls.\nThis enables the attacker to modify device settings, interrupt critical control functions, or reconfigure the device to serve as a pivot point for lateral movement into more sensitive areas of the operational technology (OT) network.\nGiven that the vulnerability involves the fundamental way the system persists secrets, the exposure is considered a systemic design flaw rather than a transient software bug, necessitating structural improvements in secret management."
}