How severe is CVE-2021-37697?

CVE-2021-37697 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2021-37697 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37697?

CVE-2021-37697 affects Tmerc-cogs Project Tmerc-cogs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-37697?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-37697 published?

CVE-2021-37697 was published on 2021-08-11 and last updated on 2026-06-17.

CVE-2021-37697

CVE-2021-37697 is a high-severity vulnerability in Tmerc-cogs Project Tmerc-cogs with a CVSS 3.x base score of 7.1. 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-306.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 4.0
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Tmerc-cogs Project Tmerc-cogs
Published: 2021-08-11
Last modified: 2026-06-17

Description

tmerc-cogs are a collection of open source plugins for the Red Discord bot. A vulnerability has been found in the code that allows any user to access sensitive information by crafting a specific membership event message. Issue is patched in commit d63c49b4cfc30c795336e4fff08cba3795e0fcc0. As a workaround users may unload the Welcome cog.

Frequently asked questions

What is CVE-2021-37697?: tmerc-cogs are a collection of open source plugins for the Red Discord bot. A vulnerability has been found in the code that allows any user to access sensitive information by crafting a specific membership event message. Issue is patched in commit d63c49b4cfc30c795336e4fff08cba3795e0fcc0. As a workaround users may unload the Welcome cog.
How severe is CVE-2021-37697?: CVE-2021-37697 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2021-37697 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37697?: CVE-2021-37697 affects Tmerc-cogs Project Tmerc-cogs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-37697?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-37697 published?: CVE-2021-37697 was published on 2021-08-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tmerc-cogs_project:tmerc-cogs:*:*:*:*:*:*:*:*

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