CVE-2021-23167

MEDIUM

6.8

CVSS Score

Published: November 18, 2021 at 06:00 PM UTC

Updated: June 17, 2026 at 03:38 AM UTC

1 product affected across 1 vendorCommand Centre

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Severity

MEDIUM6.8

Exploit prediction

EPSS 0.4%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Command Centre · Gallagher

95%

v ≤ 8.208.30 ≤ v < 8.30.14548.30 ≤ v < 8.30.1454 (MR4)8.40 ≤ v < 8.40.20638.40 ≤ v < 8.40.2063 (MR4)8.50 ≤ v < 8.50.20488.50 ≤ v < 8.50.2048 (MR3)8.30 8.40 8.50

Affected range stops below 8.30.1454, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.30.1454 (MR4), so it looks safe — our inference, not a vendor statement

Affected range stops below 8.40.2063, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.40.2063 (MR4), so it looks safe — our inference, not a vendor statement

Affected range stops below 8.50.2048, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.50.2048 (MR3), so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://security.gallagher.com/Security-Advisories/CVE-2021-23167

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://security.gallagher.com/Security-Advisories/CVE-2021-23167

CVSS

6.8MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: CHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-295

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