HOMEVULNERABILITIESCVE-2021-43415
HIGH

CVE-2021-43415

NVD-CWE-OtherPublished: December 3, 2021· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

HashiCorp Nomad and Nomad Enterprise up to 1.0.13, 1.1.7, and 1.2.0, with the QEMU task driver enabled, allowed authenticated users with job submission capabilities to bypass the configured allowed image paths. Fixed in 1.0.14, 1.1.8, and 1.2.1.

NVD Source

Technical Analysis

CVE-2021-43415 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

hashicorp1 product(s)
nomad
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://discuss.hashicorp.com/t/hcsec-2021-31-nomad-qemu-task-driver-allowed-paths-bypass-with-job-args/32288
ADVISORYhttps://www.hashicorp.com/blog/category/nomad
ADVISORYhttps://discuss.hashicorp.com/t/hcsec-2021-31-nomad-qemu-task-driver-allowed-paths-bypass-with-job-args/32288
ADVISORYhttps://www.hashicorp.com/blog/category/nomad

All References (4)

→
https://discuss.hashicorp.com/t/hcsec-2021-31-nomad-qemu-task-driver-allowed-paths-bypass-with-job-args/32288Mitigation · Vendor Advisory
→
https://www.hashicorp.com/blog/category/nomadProduct · Vendor Advisory
→
https://discuss.hashicorp.com/t/hcsec-2021-31-nomad-qemu-task-driver-allowed-paths-bypass-with-job-args/32288Mitigation · Vendor Advisory
→
https://www.hashicorp.com/blog/category/nomadProduct · Vendor Advisory

Quick Facts

CVE IDCVE-2021-43415
CVSS Score8.8 / 10
SeverityHIGH
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedDec 3, 2021

Related CVEs (NVD-CWE-Other)

CVE-2013-5597
10.0
CVE-2013-5599
10.0
CVE-2013-3350
10.0
CVE-2013-1322
10.0
CVE-2013-1319
10.0
CVE-2013-5600
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-43415 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2021-43415·NVD