How severe is CVE-2021-23211?

CVE-2021-23211 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2021-23211 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23211?

CVE-2021-23211 affects Gallagher Command Centre. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-23211?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-23211 published?

CVE-2021-23211 was published on 2021-06-11 and last updated on 2026-06-17.

CVE-2021-23211

CVE-2021-23211 is a medium-severity vulnerability in Gallagher Command Centre with a CVSS 3.x base score of 6.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-312.

Key facts

Severity: Medium (CVSS 3.x base score 6.0)
CVSS v2: 2.1
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Gallagher Command Centre
Published: 2021-06-11
Last modified: 2026-06-17

Description

Cleartext Storage of Sensitive Information in Memory vulnerability in Gallagher Command Centre Server allows Cloud end-to-end encryption key to be discoverable in server memory dumps. This issue affects: Gallagher Command Centre 8.40 versions prior to 8.40.1888 (MR3).

Frequently asked questions

What is CVE-2021-23211?: Cleartext Storage of Sensitive Information in Memory vulnerability in Gallagher Command Centre Server allows Cloud end-to-end encryption key to be discoverable in server memory dumps. This issue affects: Gallagher Command Centre 8.40 versions prior to 8.40.1888 (MR3).
How severe is CVE-2021-23211?: CVE-2021-23211 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2021-23211 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23211?: CVE-2021-23211 affects Gallagher Command Centre. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-23211?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-23211 published?: CVE-2021-23211 was published on 2021-06-11 and last updated on 2026-06-17.

References

https://security.gallagher.com/Security-Advisories/CVE-2021-23211

Affected products (1)

cpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*

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