PatchTheCVECVE-2021-3837: openwhyd is vulnerable to Improper Authorization
38
Routine
MEDIUM 6.1UPGRADE
CVE-2021-3837 is a medium-severity flaw (CVSS 6.1) affecting openwhyd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
openwhyd is vulnerable to Improper Authorization
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.5% (top 55%) |
| CISA exploited list | No |
| Weakness | CWE-285 |
| Published | 2022-01-03 |
| 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
openwhyd openwhyd UPGRADE
Affected: < 1.45.12
Fixed in: 1.45.12
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy openwhyd || rpm -q openwhyd || openwhyd --version
2. UPGRADE to 1.45.12 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade openwhyd
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade openwhyd
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
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-2021-3837?
openwhyd: upgrade to 1.45.12. Exact commands for each OS are on this page.
Is CVE-2021-3837 being exploited?
CVE-2021-3837 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-2021-3837 affect?
CVE-2021-3837 affects openwhyd. Severity is medium (CVSS 6.1). openwhyd is vulnerable to Improper Authorization
How urgent is CVE-2021-3837?
Priority 38/100. Public exploit reference
Related CVEs
- CVE-2021-3829 MEDIUM 6.1 UPGRADE openwhyd is vulnerable to URL Redirection to Untrusted Site