Stormshield Network SecurityApplication · Stormshield

CVE-2023-28616

HIGH · 7.5 CVSS v3.1 Published 2023-12-26
Fix available
A fix is available. Upgrade to 4.3.17 / 4.6.4 or later.
See remediation →
84/100
Remediation priority · High
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
An issue was discovered in Stormshield Network Security (SNS) before 4.3.17, 4.4.x through 4.6.x before 4.6.4, and 4.7.x before 4.7.1. It affects user accounts for which the password has an equals sign or space character. The serverd process logs such passwords in cleartext, and potentially sends these logs to the Syslog component.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

The serverd process in Stormshield Network Security (SNS) logs user passwords in cleartext when those passwords contain an equals sign (=) or space character. These cleartext passwords may be transmitted to the Syslog component, creating a credential exposure vulnerability.

MitigationUpdate SNS to version 4.3.17, 4.6.4, or 4.7.1 or later. Review syslog and local logs for any exposed credentials and rotate passwords for affected accounts as a precaution.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Stormshield Network SecurityApplication
Affected:>= 2.7.0, < 4.3.17>= 4.4.0, < 4.6.4= 4.7.0

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify the installed SNS version
    Run 'ns CLI' or check the web interface System > General > Version to obtain the firmware version number
    Affected if The installed version falls within >= 2.7.0 and < 4.3.17, OR >= 4.4.0 and < 4.6.4, OR equals 4.7.0
  2. Verify Syslog is enabled and receiving serverd logs
    Check the Syslog configuration in the SNS admin interface or via CLI to confirm Syslog export is active
    Affected if Syslog is configured to forward logs from the serverd process to a remote syslog server or local storage
  3. Examine Syslog output for cleartext passwords
    Search syslog files or syslog server records for patterns containing 'password' or '=' or ' ' characters adjacent to user credential fields. Inspect /var/log/ directories if local logging is enabled
    Affected if Log entries contain readable password strings, particularly those containing equals signs or spaces in plain text

A user is affected if their SNS version is within the affected ranges AND Syslog forwarding is enabled, resulting in cleartext password exposure in logs.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 4.3.17 / 4.6.4 or later
Fixed in 4.3.174.6.4
Interim mitigation

Update SNS to version 4.3.17, 4.6.4, or 4.7.1 or later. Review syslog and local logs for any exposed credentials and rotate passwords for affected accounts as a precaution.

Recommended fix High confidence

Upgrade to SNS 4.3.17, 4.6.4, or 4.7.1 (whichever branch is applicable) - prefer 4.7.1 for latest fixes

  1. Identify the current installed version of Stormshield Network Security (SNS)
  2. For versions >= 2.7.0 and < 4.3.17: upgrade to version 4.3.17 or later
  3. For versions >= 4.4.0 and < 4.6.4: upgrade to version 4.6.4 or later
  4. For version 4.7.0: upgrade to version 4.7.1 or later
  5. After upgrade, verify that passwords containing equals signs or spaces are no longer logged in cleartext
  6. Review Syslog configuration to ensure no cleartext password leakage occurs
Caveat Review Stormshield release notes for any configuration or feature changes between current version and target version before upgrading

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Stormshield Network Security Scoped from the published advisory
  • Consultation2.0 h
  • Implementation3.0 h
  • Testing2.0 h
  • Review / QA1.0 h
8.0 hours of engineering $1,420
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,272.

Scan for this in your stack

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dbcve dependency scanner

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2023-28616 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data