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High severity8.1NVD Advisory· Published Nov 18, 2021· Updated Jun 17, 2026

CVE-2021-23167

CVE-2021-23167

Description

Improper certificate validation vulnerability in SMTP Client allows man-in-the-middle attack to retrieve sensitive information from the Command Centre Server. This issue affects: Gallagher Command Centre 8.50 versions prior to 8.50.2048 (MR3); 8.40 versions prior to 8.40.2063 (MR4); 8.30 versions prior to 8.30.1454 (MR4) ; version 8.20 and prior versions.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Gallagher/Command Centre Serverllm-fuzzy2 versions
    <8.50.2048 (MR3), <8.40.2063 (MR4), <8.30.1454 (MR4), <=8.20+ 1 more
    • (no CPE)range: <8.50.2048 (MR3), <8.40.2063 (MR4), <8.30.1454 (MR4), <=8.20
    • (no CPE)range: unspecified

Patches

Vulnerability mechanics

References

1

News mentions

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