How severe is CVE-2016-4931?

CVE-2016-4931 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-4931 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4931?

CVE-2016-4931 affects Juniper Junos Space. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-4931?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-4931 published?

CVE-2016-4931 was published on 2017-03-20 and last updated on 2026-06-17.

CVE-2016-4931

CVE-2016-4931 is a medium-severity vulnerability in Juniper Junos Space with a CVSS 3.x base score of 6.5. 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-611.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Juniper Junos Space
Published: 2017-03-20
Last modified: 2026-06-17

Description

XML entity injection in Junos Space before 15.2R2 allows attackers to cause a denial of service.

Frequently asked questions

What is CVE-2016-4931?: XML entity injection in Junos Space before 15.2R2 allows attackers to cause a denial of service.
How severe is CVE-2016-4931?: CVE-2016-4931 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-4931 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4931?: CVE-2016-4931 affects Juniper Junos Space. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-4931?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-4931 published?: CVE-2016-4931 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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