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CVE-2021-34084

32
FAUCET Score

CVE-2021-34084 is a critical OS command injection vulnerability (CVSS 9.8) affecting Turistforeningen node-s3-uploader versions up to 2.0.3. This flaw allows unauthenticated attackers to execute arbitrary commands remotely through the metadata() function. While there are no known active exploits, public exploit code, or Metasploit modules, the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation. The high FAUCET Risk Score of 96/100 underscores its severe potential impact, including complete compromise of confidentiality, integrity, and availability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.0.3CPE matchmatch criteria
cpe:2.3:a:s3-uploader_project:s3-uploader:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.98%
Probability of exploitation in next 30 days
EPSS Percentile
85.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0298 is in the 77th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

npmGHSA-gwp3-f7mr-qpfvhigh

OS Command Injection in s3-uploader

Jun 3, 2022

References

advisory.checkmarx.net / advisory/CX-2021-4776
ExploitThird Party Advisory