PatchTheCVECVE-2021-34084: OS command injection vulnerability in Turistforeningen node-s3-uploader through 2.0.3 for Node.js allows attac
CVE-2021-34084 is a critical-severity flaw (CVSS 9.8) affecting s3-uploader. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
OS command injection vulnerability in Turistforeningen node-s3-uploader through 2.0.3 for Node.js allows attackers to execute arbitrary commands via the metadata() function.
Why this priority
- Critical severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 3.1% (top 12%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2022-06-02 |
| 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
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-2021-34084?
s3-uploader: upgrade to newer than 2.0.3. Exact commands for each OS are on this page.
Is CVE-2021-34084 being exploited?
CVE-2021-34084 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-2021-34084 affect?
CVE-2021-34084 affects s3-uploader. Severity is critical (CVSS 9.8). OS command injection vulnerability in Turistforeningen node-s3-uploader through 2.0.3 for Node.js allows attackers to execute arbitrary commands via the metadata() function.
How urgent is CVE-2021-34084?
Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action