How severe is CVE-2016-1268?

CVE-2016-1268 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-1268 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1268?

CVE-2016-1268 affects Juniper Screenos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-1268?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-1268 published?

CVE-2016-1268 was published on 2016-04-15 and last updated on 2026-06-17.

CVE-2016-1268

CVE-2016-1268 is a high-severity vulnerability in Juniper Screenos with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Juniper Screenos
Published: 2016-04-15
Last modified: 2026-06-17

Description

The administrative web services interface in Juniper ScreenOS before 6.3.0r21 allows remote attackers to cause a denial of service (reboot) via a crafted SSL packet.

Frequently asked questions

What is CVE-2016-1268?: The administrative web services interface in Juniper ScreenOS before 6.3.0r21 allows remote attackers to cause a denial of service (reboot) via a crafted SSL packet.
How severe is CVE-2016-1268?: CVE-2016-1268 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-1268 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1268?: CVE-2016-1268 affects Juniper Screenos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-1268?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-1268 published?: CVE-2016-1268 was published on 2016-04-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:juniper:screenos:6.3.0:r19:*:*:*:*:*:*

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