CVE-2000-1022 json
The mailguard feature in Cisco Secure PIX Firewall 5.2(2) and earlier does not properly restrict access to SMTP commands, which allows remo…
published 2000-12-11 25 y ago modified 2026-06-16 4 mo ago also EUVD-2000-1009
- cvss
- 7.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 7.1%
- EPSS 7.1% chance of exploitation in 30 days, percentile 94%
- public exploits
- 1
- Exploit-DB
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.
Patch / fix
- securityfocus.com/bid/1698 advisory
Timeline
- First public exploit (EDB-20231)
- Published
Exploit prediction
7.10% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-20231 Cisco PIX Firewall 4.x/5.x - SMTP Content Filtering Evasion remote, 2000-09-19
- securityfocus.com http://www.securityfocus.com/bid/1698 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
References
-
securityfocus.com
/bid/1698
vdb-entry, exploit, patch, vendor-advisory
-
cisco.com
/warp/public/707/PIXfirewallSMTPfilter-pub.shtml
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/5277
vdb-entry
-
archives.neohapsis.com
/archives/bugtraq/2000-09/0241.html
mailing-list
-
archives.neohapsis.com
/archives/bugtraq/2000-09/0222.html
mailing-list
Sources
- CVE List CVE-2000-1022
- NVD CVE-2000-1022
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.