Vulnerability in Checkpoint Vpn-1 Firewall-1
CVE-2002-1623
The design of the Internet Key Exchange (IKE) protocol, when using Aggressive Mode for shared secret authentication, does not encrypt initiator or responder identities during negotiation, which may allow remote attackers to determine valid usernames by (1) monitoring responses before the password is supplied or (2) sniffing, as originally reported for FireWall-1 SecuRemote.
EPSS: 0.486 (98.8th percentile) — read the EPSS interpretation.
Affected products
- Checkpoint Vpn-1_firewall-1 — versions 4.0, 4.1
- N/a — versions n/a
Public proof-of-concept exploits
References
- cve@mitre.org (mailing-list, x_refsource_FULLDISC)
- cve@mitre.org (mailing-list, x_refsource_BUGTRAQ)
- cve@mitre.org (vdb-entry, x_refsource_BID)
- cve@mitre.org (US Government Resource, x_refsource_CERT-VN, third-party-advisory)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (mailing-list, Exploit, x_refsource_BUGTRAQ)
- cve@mitre.org (mailing-list, x_refsource_BUGTRAQ)
- cve@mitre.org (vdb-entry, x_refsource_XF)
- cve@mitre.org (Exploit, x_refsource_MISC)
Frequently asked questions
- What is CVE-2002-1623?
- CVE-2002-1623 is a vulnerability in Checkpoint Vpn-1 Firewall-1. Published 2002-12-31.
- Is CVE-2002-1623 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.