How severe is CVE-2020-22784?

CVE-2020-22784 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-22784 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-22784?

CVE-2020-22784 affects Etherpad Ueberdb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-22784?

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-2020-22784 published?

CVE-2020-22784 was published on 2021-04-28 and last updated on 2026-06-17.

CVE-2020-22784

Q: What is CVE-2020-22784?

In Etherpad UeberDB < 0.4.4, due to MySQL omitting trailing spaces on char / varchar columns during comparisons, retrieving database records using UeberDB's MySQL connector could allow bypassing access controls enforced on key names.

CVE-2020-22784 is a high-severity vulnerability in Etherpad Ueberdb with a CVSS 3.x base score of 7.5. 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-697.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-697
Affected product: Etherpad Ueberdb
Published: 2021-04-28
Last modified: 2026-06-17

Description

In Etherpad UeberDB < 0.4.4, due to MySQL omitting trailing spaces on char / varchar columns during comparisons, retrieving database records using UeberDB's MySQL connector could allow bypassing access controls enforced on key names.

Frequently asked questions

What is CVE-2020-22784?: In Etherpad UeberDB < 0.4.4, due to MySQL omitting trailing spaces on char / varchar columns during comparisons, retrieving database records using UeberDB's MySQL connector could allow bypassing access controls enforced on key names.
How severe is CVE-2020-22784?: CVE-2020-22784 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-22784 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-22784?: CVE-2020-22784 affects Etherpad Ueberdb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-22784?: 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-2020-22784 published?: CVE-2020-22784 was published on 2021-04-28 and last updated on 2026-06-17.

References

https://github.com/ether/ueberDB/commit/e8b58d03534ade8d83c2d1946a8350a23952531e

Affected products (1)

cpe:2.3:a:etherpad:ueberdb:*:*:*:*:*:*:*:*

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