PatchTheCVECVE-2021-29994: Cloudera Hue 4.6.0 allows XSS.
36
Routine
MEDIUM 6.1DOWNGRADE
CVE-2021-29994 is a medium-severity flaw (CVSS 6.1) affecting hue. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Cloudera Hue 4.6.0 allows XSS.
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.9% (top 40%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2021-11-08 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
cloudera hue DOWNGRADE
Affected: 4.6.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.6.0
1. Check installed version
apt-cache policy hue || rpm -q hue || hue --version
2. No fixed release: DOWNGRADE to a release before 4.6.0 (Debian / Ubuntu)
apt-cache madison hue
sudo apt install hue=<VERSION_BEFORE_4.6.0>
sudo apt-mark hold hue
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list hue
sudo dnf downgrade hue-<VERSION_BEFORE_4.6.0>
sudo dnf versionlock add hue
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-29994?
hue: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2021-29994 being exploited?
CVE-2021-29994 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-29994 affect?
CVE-2021-29994 affects hue. Severity is medium (CVSS 6.1). Cloudera Hue 4.6.0 allows XSS.
How urgent is CVE-2021-29994?
Priority 36/100. No elevated risk signals yet.
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- CVE-2021-32481 MEDIUM 6.1 DOWNGRADE Cloudera Hue 4.6.0 allows XSS via the type parameter.
- CVE-2018-11649 MEDIUM 6.1 DOWNGRADE Hue 3.12 has XSS via the /pig/save/ name and script parameters.
- CVE-2016-4947 MEDIUM 5.3 UPGRADE Cloudera HUE 3.9.0 and earlier allows remote attackers to enumerate user accounts via a request to desktop/api
- CVE-2016-4946 MEDIUM 6.1 UPGRADE Multiple cross-site scripting (XSS) vulnerabilities in Cloudera HUE 3.9.0 and earlier allow remote attackers t