CVE-2026-22906
CVE-2026-22906
Weakness (CWE)
CVSS Vector
v3.1- Attack Vector
- Network
- Attack Complexity
- Low
- Privileges Required
- None
- User Interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Description
User credentials are stored using AES‑ECB encryption with a hardcoded key. An unauthenticated remote attacker obtaining the configuration file can decrypt and recover plaintext usernames and passwords, especially when combined with the authentication bypass.
Comprehensive Technical Analysis of CVE-2026-22906
1. Vulnerability Assessment and Severity Evaluation
CVE ID: CVE-2026-22906 CVSS Score: 9.8
The vulnerability described in CVE-2026-22906 involves the storage of user credentials using AES-ECB encryption with a hardcoded key. This method of encryption is inherently insecure due to the lack of randomization and the predictability of the encryption pattern. The use of a hardcoded key further exacerbates the issue, as it can be easily extracted and used to decrypt the credentials.
Severity Evaluation:
- CVSS Base Score: 9.8 (Critical)
- Impact: High
- Exploitability: High
The high CVSS score indicates a critical vulnerability that can be easily exploited by an unauthenticated remote attacker. The potential for credential theft and authentication bypass makes this vulnerability particularly severe.
2. Potential Attack Vectors and Exploitation Methods
Attack Vectors:
- Configuration File Access: An attacker could gain access to the configuration file through various means, such as unsecured file storage, improper access controls, or exploiting other vulnerabilities in the system.
- Network Interception: If the configuration file is transmitted over an insecure network, an attacker could intercept the transmission and extract the encrypted credentials.
- Malware Infection: An attacker could deploy malware on the target system to exfiltrate the configuration file.
Exploitation Methods:
- Decryption of Credentials: Once the configuration file is obtained, the attacker can use the hardcoded key to decrypt the AES-ECB encrypted credentials.
- Authentication Bypass: With the decrypted credentials, the attacker can bypass authentication mechanisms and gain unauthorized access to the system.
3. Affected Systems and Software Versions
The CVE does not specify the exact systems or software versions affected. However, any system or application that uses AES-ECB encryption with a hardcoded key for storing user credentials is potentially vulnerable. This could include:
- Web applications
- Mobile applications
- Desktop applications
- IoT devices
4. Recommended Mitigation Strategies
-
Immediate Actions:
- Patch Management: Apply the latest patches and updates from the vendor to address the vulnerability.
- Access Controls: Implement strict access controls to restrict access to configuration files.
- Network Security: Ensure that configuration files are transmitted over secure channels using protocols like HTTPS.
-
Long-Term Solutions:
- Encryption Best Practices: Use more secure encryption methods such as AES-GCM or AES-CBC with a unique, randomly generated key for each encryption operation.
- Key Management: Implement robust key management practices, including regular key rotation and secure key storage.
- Monitoring and Detection: Deploy monitoring tools to detect unauthorized access attempts and anomalous activities.
5. Impact on Cybersecurity Landscape
The discovery of CVE-2026-22906 highlights the importance of secure encryption practices and key management in protecting sensitive information. The vulnerability underscores the need for:
- Enhanced Security Awareness: Organizations must be aware of the risks associated with weak encryption methods and hardcoded keys.
- Regular Audits: Conduct regular security audits to identify and mitigate vulnerabilities in encryption practices.
- Collaboration: Foster collaboration between security researchers, vendors, and organizations to quickly address and mitigate such vulnerabilities.
6. Technical Details for Security Professionals
Encryption Analysis:
- AES-ECB Mode: AES-ECB (Electronic Codebook) mode is deterministic, meaning identical plaintext blocks are encrypted into identical ciphertext blocks. This lack of randomization makes it unsuitable for encrypting structured data like user credentials.
- Hardcoded Key: The use of a hardcoded key eliminates the need for an attacker to perform key extraction, making the decryption process straightforward once the key is known.
Mitigation Implementation:
- AES-GCM Mode: AES-GCM (Galois/Counter Mode) provides both confidentiality and integrity, making it a more secure choice for encrypting sensitive data.
- Key Rotation: Implement a key rotation policy to periodically change encryption keys, reducing the risk of long-term key compromise.
- Secure Key Storage: Use hardware security modules (HSMs) or secure key management systems (KMS) to store encryption keys securely.
Detection and Response:
- Intrusion Detection Systems (IDS): Deploy IDS to monitor for suspicious activities related to configuration file access.
- Incident Response Plan: Develop and maintain an incident response plan to quickly address any potential breaches related to this vulnerability.
By addressing these technical details, security professionals can effectively mitigate the risks associated with CVE-2026-22906 and enhance the overall security posture of their organizations.