The pidfile_write function in core/pidfile.c in keepalived 1.2.2 and earlier uses 0666 permissions for the (1) keepalived.pid, (2) checkers.pid, and (3) vrrp.pid files in /var/run/, which allows local users to kill arbitrary processes by writing a PID to one of these files.
CVE-2011-1784 is a security vulnerability that . Impacting 1 product from keepalived organizations running these solutions should prioritize assessment and patching.
Documented in 2011, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.
2011-05-20T22:55:04.970
2026-04-29T01:13:23.040
Modified
CVSSv2: 3.6 (LOW)
AV:L/AC:L/Au:N/C:N/I:P/A:P
3.9
4.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | keepalived | keepalived | ≤ 1.2.2 | Yes |
| Application | keepalived | keepalived | 0.2.1 | Yes |
| Application | keepalived | keepalived | 0.2.3 | Yes |
| Application | keepalived | keepalived | 0.2.6 | Yes |
| Application | keepalived | keepalived | 0.2.7 | Yes |
| Application | keepalived | keepalived | 0.3.5 | Yes |
| Application | keepalived | keepalived | 0.3.6 | Yes |
| Application | keepalived | keepalived | 0.3.7 | Yes |
| Application | keepalived | keepalived | 0.3.8 | Yes |
| Application | keepalived | keepalived | 0.4.8 | Yes |
| Application | keepalived | keepalived | 0.4.9 | Yes |
| Application | keepalived | keepalived | 0.4.9a | Yes |
| Application | keepalived | keepalived | 0.5.3 | Yes |
| Application | keepalived | keepalived | 0.5.5 | Yes |
| Application | keepalived | keepalived | 0.5.6 | Yes |
| Application | keepalived | keepalived | 0.5.7 | Yes |
| Application | keepalived | keepalived | 0.5.8 | Yes |
| Application | keepalived | keepalived | 0.5.9 | Yes |
| Application | keepalived | keepalived | 0.6.1 | Yes |
| Application | keepalived | keepalived | 0.6.2 | Yes |
| Application | keepalived | keepalived | 0.6.3 | Yes |
| Application | keepalived | keepalived | 0.6.4 | Yes |
| Application | keepalived | keepalived | 0.6.5 | Yes |
| Application | keepalived | keepalived | 0.6.6 | Yes |
| Application | keepalived | keepalived | 0.6.7 | Yes |
| Application | keepalived | keepalived | 0.6.8 | Yes |
| Application | keepalived | keepalived | 0.6.9 | Yes |
| Application | keepalived | keepalived | 0.6.10 | Yes |
| Application | keepalived | keepalived | 0.7.1 | Yes |
| Application | keepalived | keepalived | 0.7.6 | Yes |
| Application | keepalived | keepalived | 1.0.0 | Yes |
| Application | keepalived | keepalived | 1.0.1 | Yes |
| Application | keepalived | keepalived | 1.0.2 | Yes |
| Application | keepalived | keepalived | 1.0.3 | Yes |
| Application | keepalived | keepalived | 1.1.0 | Yes |
| Application | keepalived | keepalived | 1.1.1 | Yes |
| Application | keepalived | keepalived | 1.1.2 | Yes |
| Application | keepalived | keepalived | 1.1.3 | Yes |
| Application | keepalived | keepalived | 1.1.4 | Yes |
| Application | keepalived | keepalived | 1.1.5 | Yes |
| Application | keepalived | keepalived | 1.1.6 | Yes |
| Application | keepalived | keepalived | 1.1.7 | Yes |
| Application | keepalived | keepalived | 1.1.8 | Yes |
| Application | keepalived | keepalived | 1.1.9 | Yes |
| Application | keepalived | keepalived | 1.1.10 | Yes |
| Application | keepalived | keepalived | 1.1.11 | Yes |
| Application | keepalived | keepalived | 1.1.12 | Yes |
| Application | keepalived | keepalived | 1.1.13 | Yes |
| Application | keepalived | keepalived | 1.1.14 | Yes |
| Application | keepalived | keepalived | 1.1.15 | Yes |
| Application | keepalived | keepalived | 1.1.16 | Yes |
| Application | keepalived | keepalived | 1.1.17 | Yes |
| Application | keepalived | keepalived | 1.1.18 | Yes |
| Application | keepalived | keepalived | 1.1.19 | Yes |
| Application | keepalived | keepalived | 1.1.20 | Yes |
| Application | keepalived | keepalived | 1.2.0 | Yes |
| Application | keepalived | keepalived | 1.2.1 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For keepalived's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.