Sensitive-data disclosure via SMTP certificate validation
Published Nov 18, 2021 · Updated Sep 17, 2024
Improper certificate validation in Gallagher Command Centre allows man-in-the-middle attackers to retrieve sensitive server data via SMTP. The Command Centre Server SMTP client accepts a peer certificate without completing the required validation before sending data. Exploitation requires interception of the server's outbound SMTP connection; the exact omitted validation check is undisclosed.
Summary
What happened
Improper certificate validation in Gallagher Command Centre allows man-in-the-middle attackers to retrieve sensitive server data via SMTP. The Command Centre Server SMTP client accepts a peer certificate without completing the required validation before sending data. Exploitation requires interception of the server's outbound SMTP connection; the exact omitted validation check is undisclosed.
The record
- CVE
- CVE-2021-23167
- Published
- Nov 18, 2021
- Updated
- Sep 17, 2024
- Vendor
- Gallagher Security
- Product
- Command Centre
- Classifications
- CWE-295, T1557
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Nov 18, 2021CVE publishedPublication date reported by the CVE source.
- Sep 17, 2024Record 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.
- Affected versionversion=8.30 <8.30.1454 (MR4)
- Affected versionversion=8.40 <8.40.2063 (MR4)
- Affected versionversion=8.50 <8.50.2048 (MR3)
- Affected versionversion=unspecified <=8.20
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Public exploit references
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Technologies
Your stack
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Your stack
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