CVE-2002-2266

CVE-2002-2266 is a medium-severity vulnerability in Netscreen Screenos with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

NetScreen ScreenOS 2.8 through 4.0, when forwarding H.323 or Netmeeting traffic, allows remote attackers to cause a denial of service (firewall session table consumption) by establishing multiple half-open H.323 sessions, which are not cleaned up on garbage removal and do not time out for 36 hours.

Frequently asked questions

What is CVE-2002-2266?
NetScreen ScreenOS 2.8 through 4.0, when forwarding H.323 or Netmeeting traffic, allows remote attackers to cause a denial of service (firewall session table consumption) by establishing multiple half-open H.323 sessions, which are not cleaned up on garbage removal and do not time out for 36 hours.
How severe is CVE-2002-2266?
CVE-2002-2266 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2002-2266 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-2266?
CVE-2002-2266 primarily affects Netscreen Screenos. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-2266?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-2266 published?
CVE-2002-2266 was published on 2002-12-31 and last updated on 2026-06-16.

References

Affected products (4)

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