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CVE-2016-4931

21
FAUCET Score

CVE-2016-4931 describes an XML entity injection vulnerability in Juniper Junos Space versions prior to 15.2R2. This flaw allows an authenticated attacker to trigger a denial of service. The vulnerability has a CVSSv3 score of 6.5 (Medium), indicating it can be exploited over the network with low attack complexity and requires low privileges, leading to high availability impact. There is no evidence of active exploitation, nor is exploit code publicly available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, suggesting a low level of public attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 15.2CPE matchmatch criteria
cpe:2.3:o:juniper:junos_space:*:r1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.92%
Probability of exploitation in next 30 days
EPSS Percentile
56.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0092 is in the 69th percentile among its peer group of 21,957 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

junipervendor investigatingvia nvd_reference
View patch

References

kb.juniper.net / InfoCenter/index
Vendor Advisory
securityfocus.com / bid/93540
Third Party AdvisoryVDB Entry