HOMEVULNERABILITIESCVE-2021-42057
HIGH

CVE-2021-42057

CWE-94Published: November 4, 2021· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

Obsidian Dataview through 0.4.12-hotfix1 allows eval injection. The evalInContext function in executes user input, which allows an attacker to craft malicious Markdown files that will execute arbitrary code once opened. NOTE: 0.4.13 provides a mitigation for some use cases.

NVD Source

Technical Analysis

CVE-2021-42057 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

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 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

obsidian1 product(s)
obsidian dataview
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
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Official Patches & Advisories

ADVISORYhttps://github.com/blacksmithgu/obsidian-dataview/issues/615
ADVISORYhttps://github.com/blacksmithgu/obsidian-dataview/issues/615

All References (2)

→
https://github.com/blacksmithgu/obsidian-dataview/issues/615Exploit · Issue Tracking · Third Party Advisory
→
https://github.com/blacksmithgu/obsidian-dataview/issues/615Exploit · Issue Tracking · Third Party Advisory

Quick Facts

CVE IDCVE-2021-42057
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-94
CISA KEVNo
Affected1 vendor(s)
PublishedNov 4, 2021

Related CVEs (CWE-94)

CVE-2008-2832
10.0
CVE-2007-1643
10.0
CVE-2023-37466
10.0
CVE-2025-71389
10.0
CVE-2014-3804
10.0
CVE-2014-7192
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-42057 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. CVE data is provided under the NVD usage policy.
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