The Forescout CounterACT NAC device 6.3.4.1 does not block ARP and ICMP traffic from unrecognized clients, which allows remote attackers to conduct ARP poisoning attacks via crafted packets.
CVE-2012-4985
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 74.7%
- KEV
- Not listed
Published
December 5, 2012
Last Modified
April 29, 2026
References (8)
- cve@mitrehttp://osvdb.org/87895
- cve@mitrehttp://www.reactionpenetrationtesting.co.uk/forescout-nac-icmp-arp.html
- cve@mitrehttp://www.securityfocus.com/bid/56689
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/80284
- af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/87895
- af854a3a-2127-422b-91ae-364da2661108http://www.reactionpenetrationtesting.co.uk/forescout-nac-icmp-arp.html
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/56689
- af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/80284
Data Freshness Timeline
(refreshed 9× in last 7d / 40× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Frequently asked(4)
What is CVE-2012-4985?
CVE-2012-4985 is a none vulnerability published on December 5, 2012. The Forescout CounterACT NAC device 6.3.4.1 does not block ARP and ICMP traffic from unrecognized clients, which allows remote attackers to conduct ARP poisoning attacks via crafted packets.
When was CVE-2012-4985 disclosed?
CVE-2012-4985 was first published in the National Vulnerability Database on December 5, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-4985 actively exploited?
CVE-2012-4985 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2012-4985?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-4985, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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