Vulnerability in Juniper Screenos

CVE-2014-2842

Juniper ScreenOS 6.3 and earlier allows remote attackers to cause a denial of service (crash and restart or failover) via a malformed SSL/TLS packet.

Published 2014-04-15 · last modified 2026-06-17.

CVSS v2 metric

CVSS v2 base score 7.8 (High). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.035 (88.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000

Affected products

Juniper Screenos — versions 5.4.0, 6.0.0, 6.1.0

Weakness classification (CWE)

CWE-399

References

www.kb.cert.org/vuls/id/480428 (US Government Resource, third-party-advisory)
kb.juniper.net/InfoCenter/index (Vendor Advisory)
www.securityfocus.com/bid/66802 (vdb-entry)
secunia.com/advisories/57910 (Vendor Advisory, third-party-advisory)
www.securitytracker.com/id/1030564 (vdb-entry)