Firewalls from multiple vendors empty state tables more slowly than they are filled, which allows remote attackers to flood state tables with packet flooding attacks such as (1) TCP SYN flood, (2) UDP flood, or (3) Crikey CRC Flood, which causes the firewall to refuse any new connections.
Conclusion & alert: CVE-2002-2150 is rated Moderate Risk (47.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.99%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.92% | 1.99% | +0.07% |
| 2 | 2025-08-18 | 0.80% | 1.92% | +1.12% |
| 3 | 2025-03-30 | — | 0.80% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| juniper | netscreen_screenos | 2.7.1 | cpe:2.3:o:juniper:netscreen_screenos:2.7.1:*:*:*:*:*:*:* |
| juniper | netscreen_screenos | 2.7.1r1 | cpe:2.3:o:juniper:netscreen_screenos:2.7.1r1:*:*:*:*:*:*:* |
| juniper | netscreen_screenos | 2.7.1r2 | cpe:2.3:o:juniper:netscreen_screenos:2.7.1r2:*:*:*:*:*:*:* |
| juniper | netscreen_screenos | 2.7.1r3 | cpe:2.3:o:juniper:netscreen_screenos:2.7.1r3:*:*:*:*:*:*:* |
| juniper | netscreen_screenos | 2.10_r3 | cpe:2.3:o:juniper:netscreen_screenos:2.10_r3:*:*:*:*:*:*:* |
| juniper | netscreen_screenos | 2.10_r4 | cpe:2.3:o:juniper:netscreen_screenos:2.10_r4:*:*:*:*:*:*:* |
| juniper | netscreen_screenos | 3.0.1r1 | cpe:2.3:o:juniper:netscreen_screenos:3.0.1r1:*:*:*:*:*:*:* |
| juniper | netscreen_screenos | 3.0.1r2 | cpe:2.3:o:juniper:netscreen_screenos:3.0.1r2:*:*:*:*:*:*:* |
| juniper | netscreen_screenos | 3.0.3_r1.1 | cpe:2.3:o:juniper:netscreen_screenos:3.0.3_r1.1:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.iss.net/security_center/static/10449.php | |
| http://www.kb.cert.org/vuls/id/539363 | Third Party Advisory US Government Resource |
| http://www.securityfocus.com/bid/6023 |