Cybersecurity firm Bitdefender has patched a severe flaw (CVE-2025-2244) in its GravityZone Console, which could allow unauthenticated attackers to execute arbitrary commands on vulnerable systems.
The vulnerability, discovered by researcher Nicolas Verdier (@n1nj4sec), has a near-maximum CVSSv4 score of 9.5, highlighting its critical risk profile.
CVE-2025-2244: Key Details
| CVE ID | CVE-2025-2244 |
| CVSS Score | 9.5 (CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H) |
| Affected Vendor | Bitdefender |
| Affected Product | GravityZone Console (versions prior to 6.41.2-1) |
| Patch Version | 6.41.2-1 (released via automatic update on April 4, 2025) |
Technical Breakdown
The vulnerability stems from insecure PHP deserialization of the sendMailFromRemoteSource method within the Emails.php component.
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Attackers can craft malicious serialized payloads to trigger PHP object injection, enabling them to:
- Write arbitrary files to the system.
- Execute operating system commands with elevated privileges.
- Potentially compromise the entire GravityZone environment.
“This flaw bypasses traditional security controls because it exploits a trusted component within the GravityZone architecture,” explained Verdier.
“Attackers could weaponize this to deploy ransomware, exfiltrate data, or move laterally across networks.”
Mitigation Steps for Organizations
To address the issue, Bitdefender released an automatic update (6.41.2-1) on April 4, 2025. Administrators should:
- Verify patch installation: Ensure GravityZone Console is running version 6.41.2-1 or later.
- Audit logs: Check for unusual activity, particularly unexpected mail-related processes or file modifications.
- Limit exposure: Restrict external access to GravityZone’s management interface if not required.
Organizations unable to apply updates immediately should consider temporary network segmentation for GravityZone servers.
Nicolas Verdier reported the vulnerability through Bitdefender’s coordinated disclosure program.
The discovery underscores persistent risks in legacy PHP serialization practices, which have been implicated in high-profile breaches since the early 2010s.
“Serialization vulnerabilities remain a low-hanging fruit for attackers,” said incident response lead Maria Chen of Synapse Security.
“Enterprises must prioritize software composition analysis to identify such pitfalls in critical infrastructure.”
Bitdefender has confirmed no active exploitation in the wild but urges immediate action due to the flaw’s ease of exploitation.
GravityZone powers endpoint security for over 500,000 businesses globally, making this patch essential for preventing large-scale cyber incidents.
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