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CVE-2021-47713

24
FAUCET Score

CVE-2021-47713 describes a denial-of-service vulnerability in Hasura GraphQL Engine version 1.3.3. Attackers can exploit this by sending specially crafted GraphQL queries with excessive nested fields, consuming server resources and potentially crashing the service. This vulnerability carries a high CVSS score of 7.5, indicating a severe impact (denial of service) with low attack complexity and no user interaction required. While no public exploits or active exploitation have been observed, and community discussion is minimal, the potential for service disruption warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
1.3.3CPE matchmatch criteria
cpe:2.3:a:hasura:graphql_engine:1.3.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

8.7HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 13th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / hasura/graphql-engine
Product
exploit-db.com / exploits/49789
Exploit
vulncheck.com / advisories/hasura-graphql-denial-of-service-via-malicious-graphql-query
ExploitThird Party Advisory