How severe is CVE-2016-4929?

CVE-2016-4929 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-4929 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4929?

CVE-2016-4929 affects Juniper Junos Space. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-4929?

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-2016-4929 published?

CVE-2016-4929 was published on 2017-03-20 and last updated on 2026-06-17.

CVE-2016-4929

CVE-2016-4929 is a high-severity vulnerability in Juniper Junos Space with a CVSS 3.x base score of 8.8. 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-77.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Juniper Junos Space
Published: 2017-03-20
Last modified: 2026-06-17

Description

Command injection vulnerability in Junos Space before 15.2R2 allows attackers to execute arbitrary code as a root user.

Frequently asked questions

What is CVE-2016-4929?: Command injection vulnerability in Junos Space before 15.2R2 allows attackers to execute arbitrary code as a root user.
How severe is CVE-2016-4929?: CVE-2016-4929 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-4929 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4929?: CVE-2016-4929 affects Juniper Junos Space. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-4929?: 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-2016-4929 published?: CVE-2016-4929 was published on 2017-03-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:juniper:junos_space:*:r1:*:*:*:*:*:*

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