ZoneAlarm 2.1 through 2.6 and ZoneAlarm Pro 2.4 and 2.6 allows local users to bypass…
Priority LOW 12Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.00429 37th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:zonelabs:zonealarm:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | Zonelabs |
| cpe:2.3:a:zonelabs:zonealarm:2.2:*:*:*:*:*:*:* | 2.2 | Vulnerable | Zonelabs |
| cpe:2.3:a:zonelabs:zonealarm:2.3:*:*:*:*:*:*:* | 2.3 | Vulnerable | Zonelabs |
| cpe:2.3:a:zonelabs:zonealarm:2.4:*:*:*:*:*:*:* | 2.4 | Vulnerable | Zonelabs |
| cpe:2.3:a:zonelabs:zonealarm:2.4:*:pro:*:*:*:*:* | 2.4 | Vulnerable | Zonelabs |
| cpe:2.3:a:zonelabs:zonealarm:2.5:*:*:*:*:*:*:* | 2.5 | Vulnerable | Zonelabs |
| cpe:2.3:a:zonelabs:zonealarm:2.6:*:*:*:*:*:*:* | 2.6 | Vulnerable | Zonelabs |
| cpe:2.3:a:zonelabs:zonealarm:2.6:*:pro:*:*:*:*:* | 2.6 | Vulnerable | Zonelabs |
- cpe:2.3:a:zonelabs:zonealarm:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·Zonelabs
- cpe:2.3:a:zonelabs:zonealarm:2.2:*:*:*:*:*:*:* Versions 2.2 Vulnerable ·Zonelabs
- cpe:2.3:a:zonelabs:zonealarm:2.3:*:*:*:*:*:*:* Versions 2.3 Vulnerable ·Zonelabs
- cpe:2.3:a:zonelabs:zonealarm:2.4:*:*:*:*:*:*:* Versions 2.4 Vulnerable ·Zonelabs
- cpe:2.3:a:zonelabs:zonealarm:2.4:*:pro:*:*:*:*:* Versions 2.4 Vulnerable ·Zonelabs
- cpe:2.3:a:zonelabs:zonealarm:2.5:*:*:*:*:*:*:* Versions 2.5 Vulnerable ·Zonelabs
- cpe:2.3:a:zonelabs:zonealarm:2.6:*:*:*:*:*:*:* Versions 2.6 Vulnerable ·Zonelabs
- cpe:2.3:a:zonelabs:zonealarm:2.6:*:pro:*:*:*:*:* Versions 2.6 Vulnerable ·Zonelabs
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2001-1548
- 2026-10-03 Alias added: GHSA-7rm5-98m5-cwv2
References
More Zonelabs Zonealarm vulnerabilities
- TI-2004-00278 Stack-based buffer overflow in the SMTP service support in vsmon.exe in Zone Labs… CVSS 2.0HIGH 10.0
- TI-2005-01601 Integer overflow in Computer Associates Vet Antivirus library, as used by CA InoculateIT… CVSS 2.0HIGH 10.0
- TI-2005-03381 Zone Labs (1) ZoneAlarm Pro 6.0, (2) ZoneAlarm Internet Security Suite 6.0, (3) ZoneAlarm… CVSS 2.0HIGH 7.5
- TI-2003-01209 The DeviceIoControl function in the TrueVector Device Driver (VSDATANT) in ZoneAlarm… CVSS 2.0HIGH 10.0
- TI-2000-00339 ZoneAlarm 2.1.10 and earlier does not filter UDP packets with a source port of 67, which… CVSS 2.0HIGH 7.5
- TI-2002-01916 ZoneAlarm Pro 3.0 MailSafe allows remote attackers to bypass filtering and possibly… CVSS 2.0HIGH 7.5
Sources
- CVE-2001-1548 · CVE Program
- CVE-2001-1548 · NVD
- FIRST EPSS
- GHSA-7rm5-98m5-cwv2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences