CVE-2017-20083Public exploit

Local compromise via undisclosed SSH backdoor

Published Jun 22, 2022 · Updated Apr 15, 2025

Hidden functionality in the SSH server of JUNG Smart Visu Server 1.0.804, 1.0.830, and 1.0.832 allows local users to gain unauthorized access. The published record identifies an SSH backdoor but does not disclose the hidden function, trigger, or embedded access credentials. Low-privileged local access is required; successful use can compromise data and service operation on the server.

CVSS severity7.8
High
EPSS probability0.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Hidden functionality in the SSH server of JUNG Smart Visu Server 1.0.804, 1.0.830, and 1.0.832 allows local users to gain unauthorized access. The published record identifies an SSH backdoor but does not disclose the hidden function, trigger, or embedded access credentials. Low-privileged local access is required; successful use can compromise data and service operation on the server.

The record

CVE
CVE-2017-20083
Published
Jun 22, 2022
Updated
Apr 15, 2025
Vendor
JUNG
Product
JUNG Smart Visu Server
Classifications
CWE-912, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 22, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 15, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0.804
  2. Affected versionversion=1.0.830
  3. Affected versionversion=1.0.832

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

JUNG · JUNG Smart Visu Serverversion=1.0.804; version=1.0.830; version=1.0.832

Published CVSS scores

7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.2NIST NVDAV:L/AC:L/Au:N/C:C/I:C/A:C
5.3VulDBCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-912Hidden Functionality
T1068Exploitation for Privilege Escalation

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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