How severe is CVE-2021-33800?

CVE-2021-33800 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 high, integrity none, and availability none.

Is CVE-2021-33800 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33800?

CVE-2021-33800 affects Alibaba Druid. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33800?

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-2021-33800 published?

CVE-2021-33800 was published on 2021-11-03 and last updated on 2026-06-17.

CVE-2021-33800

CVE-2021-33800 is a high-severity vulnerability in Alibaba Druid 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Alibaba Druid
Published: 2021-11-03
Last modified: 2026-06-17

Description

In Druid 1.2.3, visiting the path with parameter in a certain function can lead to directory traversal.

Frequently asked questions

What is CVE-2021-33800?: In Druid 1.2.3, visiting the path with parameter in a certain function can lead to directory traversal.
How severe is CVE-2021-33800?: CVE-2021-33800 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 high, integrity none, and availability none.
Is CVE-2021-33800 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33800?: CVE-2021-33800 affects Alibaba Druid. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33800?: 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-2021-33800 published?: CVE-2021-33800 was published on 2021-11-03 and last updated on 2026-06-17.

References

https://security.alibaba.com/announcement/announcement?id=214

Affected products (1)

cpe:2.3:a:alibaba:druid:1.2.3:*:*:*:*:*:*:*

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