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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.486 (98.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.486 · newest: 0.486 · change: 0.000
Affected products
- Checkpoint Vpn-1 Firewall-1 — versions 4.0, 4.1
Public proof-of-concept exploits
References
- lists.grok.org.uk/pipermail/full-disclosure/2002-September/001223.html (mailing-list)
- marc.info/ (mailing-list)
- www.securityfocus.com/bid/5607 (vdb-entry)
- www.kb.cert.org/vuls/id/886601 (US Government Resource, third-party-advisory)
- www.nta-monitor.com/news/checkpoint.htm
- www.checkpoint.com/techsupport/alerts/ike.html
- www.securityfocus.com/archive/1/290202 (mailing-list, Exploit)
- marc.info/ (mailing-list)
- exchange.xforce.ibmcloud.com/vulnerabilities/10034 (vdb-entry)
- www.securiteam.com/securitynews/5TP040U8AW.html (Exploit)
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.