Is CVE-2016-1280 in the CISA KEV catalog?

No. CVE-2016-1280 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-1280?

CVE-2016-1280 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2016-1280?

CVE-2016-1280 has an EPSS score of 0.67% (48th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2016-1280?

No published fix for CVE-2016-1280 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2016-1280

MEDIUM

6.5

CVSS v3

NVD

Description

PKId in Juniper Junos OS before 12.1X44-D52, 12.1X46 before 12.1X46-D37, 12.1X47 before 12.1X47-D30, 12.3 before 12.3R12, 12.3X48 before 12.3X48-D20, 13.3 before 13.3R10, 14.1 before 14.1R8, 14.1X53 before 14.1X53-D40, 14.2 before 14.2R7, 15.1 before 15.1R4, 15.1X49 before 15.1X49-D20, 15.1X53 before 15.1X53-D60, and 16.1 before 16.1R1 allow remote attackers to bypass an intended certificate validation mechanism via a self-signed certificate with an Issuer name that matches a valid CA certificate enrolled in Junos.

CWE-297

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Exploit Intelligence

0.67%probability of exploitation in 30 days

48thpercentile

Moderate risk: more likely to be exploited than 48% of all known CVEs.

References

Vendor Advisory1

kb.juniper.net

Other references2

Related Vulnerabilities

Other CWE-297 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-3522	Medium	4.0	5.6%	-	Fix
CVE-2018-10936	High	8.1	2.9%	-	Fix
CVE-2024-2466	Medium	6.5	1.3%	-	Fix
CVE-2020-1887	Critical	9.1	1.3%	-	Fix
CVE-2020-14387	High	7.4	1.1%	-	Fix
CVE-2020-15260	Medium	6.8	1.0%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.