CVE-2025-53884 Overview
CVE-2025-53884 affects NeuVector, an open-source container security platform. The application stores user passwords and API keys using a simple, unsalted hash. This design allows precomputed rainbow table attacks against any hash values recovered from the system. An attacker who obtains the stored credential material can reverse hashes back to their plaintext values without brute-forcing each password individually. The weakness is classified under [CWE-759] (Use of a One-Way Hash without a Salt).
Critical Impact
Exposure of NeuVector credential storage allows offline recovery of user passwords and API keys through rainbow table lookups against unsalted hashes.
Affected Products
- NeuVector container security platform (see the GitHub Security Advisory GHSA-8ff6-pc43-jwv3 for affected versions)
- SUSE-distributed NeuVector packages tracked in SUSE Bugzilla CVE-2025-53884
Discovery Timeline
- 2025-09-17 - CVE-2025-53884 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-53884
Vulnerability Analysis
NeuVector persists authentication material for local users and API clients using a one-way hash without a per-user salt. Unsalted hashing means identical passwords produce identical hash outputs across all accounts. Attackers can therefore precompute large tables of hash values for candidate passwords and match them against stolen hashes in constant time. The same technique applies to API keys stored in the credential store. The weakness does not require expensive brute-forcing on a per-account basis, so recovery scales cheaply once the attacker has the hash database.
Root Cause
The root cause is the absence of a cryptographic salt in the password and API key hashing routine. Modern credential storage requires a unique random salt per record combined with a memory-hard key derivation function such as Argon2, scrypt, or bcrypt. NeuVector's implementation instead applies a plain hash primitive to the input, which is the exact pattern described by [CWE-759].
Attack Vector
Exploitation requires the attacker to first obtain the stored hashes, typically through a secondary weakness such as a database export, backup exposure, or insider access. Once the hashes are available, the attacker performs an offline rainbow table lookup or dictionary comparison. Successful recovery yields cleartext passwords and API keys, which the attacker can replay against the NeuVector console or API to gain authenticated access to container security policy.
No public proof-of-concept exploit is listed for CVE-2025-53884, and the vulnerability is not present in the CISA Known Exploited Vulnerabilities catalog. The EPSS probability remains low at the time of publication.
Detection Methods for CVE-2025-53884
Indicators of Compromise
- Unexpected access to NeuVector configuration or backup files that contain the user database.
- Successful NeuVector console or API authentications from unfamiliar source addresses following any credential-store exposure.
- API key usage patterns that deviate from established service accounts or automation schedules.
Detection Strategies
- Audit NeuVector authentication logs for logins outside expected administrator locations and hours.
- Correlate file access events on nodes hosting NeuVector controller data with unauthorized processes or accounts.
- Alert on API key reuse from multiple distinct source IP addresses within short time windows.
Monitoring Recommendations
- Forward NeuVector controller and Kubernetes audit logs to a centralized analytics platform for retention and correlation.
- Monitor for exports, snapshots, or volume mounts targeting the NeuVector persistent store.
- Track administrative changes to NeuVector role assignments and API key issuance events.
How to Mitigate CVE-2025-53884
Immediate Actions Required
- Upgrade NeuVector to the fixed release identified in the GitHub Security Advisory GHSA-8ff6-pc43-jwv3.
- Rotate every local NeuVector user password and regenerate all API keys after applying the patch.
- Restrict filesystem and Kubernetes-level access to the NeuVector controller data store to a minimum set of administrators.
Patch Information
Refer to the vendor advisory at GitHub Security Advisory GHSA-8ff6-pc43-jwv3 and the distribution tracker at SUSE Bugzilla CVE-2025-53884 for fixed version numbers and upgrade instructions. Apply the patch on all NeuVector controller replicas before rotating credentials so that new secrets are stored using the corrected hashing scheme.
Workarounds
- Where possible, replace local NeuVector accounts with federated authentication through an external identity provider so credentials are not stored in the NeuVector database.
- Enforce long, high-entropy passwords and API keys to raise the cost of rainbow table lookups until the patch is deployed.
- Isolate the NeuVector control plane on a management network and require multi-factor authentication at the identity provider layer.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
