LOW
CVE-2012-0300
CWE-264Published: July 5, 2012· Updated: Jun 16, 2026
3.3
CVSS v3.1
Official Description
Brightmail Control Center in Symantec Message Filter 6.3 does not properly restrict establishment of sessions to the listening port, which allows remote attackers to obtain potentially sensitive version information via unspecified vectors.
Technical Analysis
CVE-2012-0300 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityNone
AvailabilityNone
AV:A/AC:L/Au:N/C:P/I:N/A:N
Affected Vendors & Products
symantec1 product(s)
message filter
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
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NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories
All References (4)
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Quick Facts
CVE IDCVE-2012-0300
CVSS Score3.3 / 10
SeverityLOW
WeaknessCWE-264
CISA KEVNo
Affected1 vendor(s)
PublishedJul 5, 2012
Related CVEs (CWE-264)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2012-0300 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.