CVE-2012-3012: The Arbiter Power Sentinel 1133A device with firmware before 11Jun2012 Rev 421 allows remote attackers to caus
CVE-2012-3012 is a high-severity flaw (CVSS 7.8) affecting power sentinel 1133a firmware, power sentinel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Arbiter Power Sentinel 1133A device with firmware before 11Jun2012 Rev 421 allows remote attackers to cause a denial of service (Ethernet outage) via unspecified Ethernet traffic that fills a buffer, as demonstrated by a port scan.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| EPSS exploit chance | 1.5% (top 26%) |
| CISA exploited list | No |
| Weakness | CWE-119 |
| Published | 2012-09-05 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2012-3012?
power sentinel 1133a firmware: upgrade to newer than 11jun2012; power sentinel: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2012-3012 being exploited?
CVE-2012-3012 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2012-3012 affect?
CVE-2012-3012 affects power sentinel 1133a firmware, power sentinel. Severity is high (CVSS 7.8). The Arbiter Power Sentinel 1133A device with firmware before 11Jun2012 Rev 421 allows remote attackers to cause a denial of service (Ethernet outage) via unspecified Ethernet traffic that fills a buffer, as demonstrated by a port scan.
How urgent is CVE-2012-3012?
Priority 46/100. High severity