CVE-2023-30285Public exploitNetwork attack vector

Credential disclosure via unrestricted technical-user REST endpoint

Published May 31, 2023 · Updated Jul 9, 2026

Credential disclosure in Deviniti Issue Sync before 3.5.2 allows remote authenticated users to obtain technical-user passwords. The plugin's GET /rest/synchronizer/1.0/technicalUser endpoint returns configured technical users and their Base64-encoded passwords to ordinary Jira accounts. Any Jira account can retrieve credentials that grant unauthorized access to data stored in other Jira projects.

CVSS severity7.5
High
EPSS probability0.63%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Credential disclosure in Deviniti Issue Sync before 3.5.2 allows remote authenticated users to obtain technical-user passwords. The plugin's GET /rest/synchronizer/1.0/technicalUser endpoint returns configured technical users and their Base64-encoded passwords to ordinary Jira accounts. Any Jira account can retrieve credentials that grant unauthorized access to data stored in other Jira projects.

The record

CVE
CVE-2023-30285
Published
May 31, 2023
Updated
Jul 9, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1555
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 31, 2023CVE publishedPublication date reported by the CVE source.
  2. Jul 9, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.5NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

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

Weakness, pattern, technique

T1555Credentials from Password Stores

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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