CWE-1204: Generation of Weak Initialization Vector (IV)
Filter
The product uses a cryptographic primitive that uses an Initialization Vector (IV), but the product does not generate IVs that are sufficiently unpredictable or unique according to the expected cryptographic requirements for that primitive.
What the weakness is: CWE-1204 at MITRE. All weaknesses
Related attack patterns (CAPEC): 2
- CAPEC-20 Encryption Brute Forcing Likelihood: Low · Severity: Low
- CAPEC-97 Cryptanalysis Likelihood: Low · Severity: Very High
The attack patterns MITRE's CAPEC relates to CWE-1204, as MITRE names them. Credits.
Ask an AI about CWE-1204
Show the prompt
Explain CWE-1204: Generation of Weak Initialization Vector (IV) and how to prevent and detect it in code. Use https://cwe.mitre.org/data/definitions/1204.html and https://cve.bz/cve/cwe/1204?via=ask-ai-copy for recent CVEs with this weakness. Cite the sources.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this weakness's id and public links.
- 8.5CVE-2026-8374EPSS 0.09%
Misuse and misconfiguration in Bluetooth communication in SwitchBot Door Lock Series allows an attacker to bypass the electronic lock and access controls via a manipulated communication protocol.
- 7.5CVE-2026-5087EPSS 0.3%
PAGI::Middleware::Session::Store::Cookie versions through 0.001003 for Perl generates random bytes insecurely. PAGI::Middleware::Session::Store::Cookie attempts to read bytes from the /dev/urandom device directly. If that fails (for examp…
- 8.7CVE-2026-25998EPSS 0.3%
strongMan is a management interface for strongSwan, an OpenSource IPsec-based VPN. When storing credentials in the database (private keys, EAP secrets), strongMan encrypts the corresponding database fields. So far it used AES in CTR mode w…
- 6.5CVE-2025-0714EPSS 0.2%
The vulnerability exists in the password storage of Mobateks MobaXterm in versions below 25.0. MobaXTerm uses an initialisation vector (IV) consisting only of zero bytes and a master key to encrypt each password individually. In the defaul…
- 7.5CVE-2022-26083EPSS 0.2%
Generation of weak initialization vector in an Intel(R) IPP Cryptography software library before version 2021.5 may allow an unauthenticated user to potentially enable information disclosure via local access.
- 5.5CVE-2023-2747EPSS 0.2%
The initialization vector (IV) used by the secure engine (SE) for encrypting data stored in the SE flash memory is uninitialized.