CVE-2000-1022
CVE-2000-1022 is a high-severity vulnerability in Cisco Pix Firewall Software with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 2.0 base score 7.5)
- EPSS exploit prediction: 7% (93rd percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Cisco Pix Firewall Software
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2000-1022?
- 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.
- How severe is CVE-2000-1022?
- CVE-2000-1022 has a CVSS 2.0 base score of 7.5, rated high severity.
- Is CVE-2000-1022 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2000-1022?
- CVE-2000-1022 primarily affects Cisco Pix Firewall Software. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2000-1022?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2000-1022 published?
- CVE-2000-1022 was published on 2000-12-11 and last updated on 2026-06-16.
References
- http://archives.neohapsis.com/archives/bugtraq/2000-09/0222.html
- http://archives.neohapsis.com/archives/bugtraq/2000-09/0241.html
- http://www.cisco.com/warp/public/707/PIXfirewallSMTPfilter-pub.shtml
- http://www.securityfocus.com/bid/1698
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5277
Affected products (8)
- cpe:2.3:o:cisco:pix_firewall_software:4.2\(1\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:pix_firewall_software:4.2\(2\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:pix_firewall_software:4.2\(5\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:pix_firewall_software:4.3:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:pix_firewall_software:4.4\(4\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:pix_firewall_software:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:pix_firewall_software:5.1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:pix_firewall_software:5.2:*:*:*:*:*:*:*
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