How severe is CVE-2021-29243?

CVE-2021-29243 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-29243 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29243?

CVE-2021-29243 affects Cloudera Cloudera Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-29243?

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

When was CVE-2021-29243 published?

CVE-2021-29243 was published on 2021-11-08 and last updated on 2026-06-17.

CVE-2021-29243

CVE-2021-29243 is a medium-severity vulnerability in Cloudera Cloudera Manager with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cloudera Cloudera Manager
Published: 2021-11-08
Last modified: 2026-06-17

Description

Cloudera Manager 5.x, 6.x, 7.1.x, 7.2.x, and 7.3.x allows XSS.

Frequently asked questions

What is CVE-2021-29243?: Cloudera Manager 5.x, 6.x, 7.1.x, 7.2.x, and 7.3.x allows XSS.
How severe is CVE-2021-29243?: CVE-2021-29243 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-29243 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29243?: CVE-2021-29243 affects Cloudera Cloudera Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-29243?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-29243 published?: CVE-2021-29243 was published on 2021-11-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cloudera:cloudera_manager:*:*:*:*:*:*:*:*

More vulnerabilities in Cloudera Cloudera Manager

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CVE-2018-11744 — High (CVSS 8.1): Cloudera Manager through 5.15 has Incorrect Access Control.
CVE-2015-6495 — High (CVSS 7.5): There is Sensitive Information in Cloudera Manager before 5.4.6 Diagnostic Support Bundles.
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