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TI-1999-01529 Aliases CVE-1999-1582GHSA-9q5w-4wqw-v6f6

By design, the "established" command on the Cisco PIX firewall allows connections from…

Priority LOW 37Published · 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

By design, the "established" command on the Cisco PIX firewall allows connections from one host to arbitrary ports of a target host if an alternative conduit has already been allowed, which can cause administrators to configure less restrictive access controls than intended if they do not understand this functionality.

Why it matters now

EPSS 0.01878 79th 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:pix_firewall:*:*:*:*:*:*:*:*all versionsVulnerableCisco
  • cpe:2.3:a:cisco:pix_firewall:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-1999-1582
  2. 2026-10-03 Alias added: GHSA-9q5w-4wqw-v6f6

References

Advisory 2

  • 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-2005-04242 The Downloadable RADIUS ACLs feature in Cisco PIX and VPN 3000 concentrators, when… CVSS 2.0HIGH 7.5
  • TI-2003-00909 Cisco PIX firewall 5.x.x, and 6.3.1 and earlier, allows remote attackers to cause a… CVSS 2.0HIGH 7.8
  • TI-2004-00095 The SSL/TLS handshaking code in OpenSSL 0.9.7a, 0.9.7b, and 0.9.7c, when using Kerberos… CVSS 2.0MEDIUM 5.0
  • TI-2000-00611 Cisco Secure PIX Firewall does not properly identify forged TCP Reset (RST) packets… CVSS 2.0MEDIUM 5.0
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences