The mailguard feature in Cisco Secure PIX Firewall 5.2(2) and earlier does not properly…
Priority MEDIUM 43Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The mailguard feature in Cisco Secure PIX Firewall 5.2(2) and earlier does not properly restrict access to SMTP commands, which allows remote attackers to execute restricted commands by sending a DATA command before sending the restricted commands.
Why it matters now
EPSS 0.07102 94th percentileScored 2026-11-07
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:o:cisco:pix_firewall_software:4.2\(1\):*:*:*:*:*:*:* | 4.2(1) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:4.2\(2\):*:*:*:*:*:*:* | 4.2(2) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:4.2\(5\):*:*:*:*:*:*:* | 4.2(5) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:4.3:*:*:*:*:*:*:* | 4.3 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:4.4\(4\):*:*:*:*:*:*:* | 4.4(4) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:5.1:*:*:*:*:*:*:* | 5.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:5.2:*:*:*:*:*:*:* | 5.2 | Vulnerable | Cisco |
- cpe:2.3:o:cisco:pix_firewall_software:4.2\(1\):*:*:*:*:*:*:* Versions 4.2(1) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:4.2\(2\):*:*:*:*:*:*:* Versions 4.2(2) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:4.2\(5\):*:*:*:*:*:*:* Versions 4.2(5) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:4.3:*:*:*:*:*:*:* Versions 4.3 Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:4.4\(4\):*:*:*:*:*:*:* Versions 4.4(4) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:5.1:*:*:*:*:*:*:* Versions 5.1 Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:5.2:*:*:*:*:*:*:* Versions 5.2 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2000-1022
- 2026-10-03 Alias added: GHSA-gv87-wvw4-8qwm
References
More Cisco Pix Firewall Software vulnerabilities
- TI-2016-05454 Buffer overflow in Cisco Adaptive Security Appliance (ASA) Software through 9.4.2.3 on… KEVCVSS 3.1HIGH 8.8
- TI-2004-00066 The do_change_cipher_spec function in OpenSSL 0.9.6c to 0.9.6k, and 0.9.7a to 0.9.7c… CVSS 3.1HIGH 7.5
- TI-2006-00500 Cisco PIX/ASA 7.1.x before 7.1(2) and 7.0.x before 7.0(5), PIX 6.3.x before 6.3.5(112)… CVSS 2.0HIGH 7.5
- TI-2007-00933 Unspecified vulnerability in Cisco PIX 500 and ASA 5500 Series Security Appliances 7.2.2… CVSS 2.0HIGH 9.0
- TI-2003-01013 The Session Initiation Protocol (SIP) implementation in multiple Cisco products including… CVSS 2.0HIGH 7.5
- TI-2007-00934 Cisco PIX 500 and ASA 5500 Series Security Appliances 6.x before 6.3(5.115), 7.0 before… CVSS 2.0HIGH 7.8
Sources
- CVE-2000-1022 · CVE Program
- CVE-2000-1022 · NVD
- FIRST EPSS
- GHSA-gv87-wvw4-8qwm · GitHub Advisory Database · CC BY 4.0
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