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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-standard TCP packets created with…
Low2.1EPSS 0.43%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low2.1 | AV:L/AC:L/Au:N/C:N/I:P/A:N |
- EPSS (exploitation in 30 days)
- 0.43% · top 63% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (4)
- 3647 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- zonealarm-tiny-bypass-filter(7671) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20011206 Re: Flawed outbound packet filtering in various personal firewalls (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20011205 Flawed outbound packet filtering in various personal firewalls (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2001-1548)Record last updated .