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CVE Record

CVE-2001-1548: ZoneAlarm 2.1 through 2.6 and ZoneAlarm Pro 2.4 and 2.6 allows local users to bypass filtering via non-stan...

ZoneAlarm 2.1 through 2.6 and ZoneAlarm Pro 2.4 and 2.6 allows local users to bypass filtering via non-standard TCP packets created with non-Windows protocol adapters.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is an old ZoneAlarm personal firewall issue where a local user could get traffic past outbound filtering using unusual TCP packets from non-Windows protocol adapters. Business risk is mainly legacy endpoints that still rely on these products for host-level egress control. Exposure is likely limited to very old Windows endpoints still running the named ZoneAlarm versions. Modern environments are unlikely to be affected unless legacy systems, archived images, or unsupported endpoint builds remain in use. Treat this as a legacy exposure check, not an emergency. Prioritize remediation if old ZoneAlarm installations still protect sensitive endpoints or if local users have broad software installation rights. Mitigation focus: Inventory endpoints for the named ZoneAlarm and ZoneAlarm Pro versions.; Replace unsupported ZoneAlarm 2.x installations with supported firewall controls.; Check original vendor or trusted advisory guidance for available fixes..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2001-1548 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
1Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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