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CVE-2021-40211

19
FAUCET Score

CVE-2021-40211 is a high-severity vulnerability affecting ImageMagick versions 7.1.0-4, stemming from a division-by-zero error in the ReadEnhMetaFile function when processing EMF files. This flaw allows an unauthenticated attacker to cause a denial of service (DoS) by sending a specially crafted file over the network, requiring no user interaction. While the CVSS score is 7.5, indicating a significant impact on availability, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
7.1.0-4CPE matchmatch criteria
cpe:2.3:a:imagemagick:imagemagick:7.1.0-4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.80%
Probability of exploitation in next 30 days
EPSS Percentile
52.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0080 is in the 28th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: ImageMagick-0:6.9.10.68-7.el7_9
View patch

Vendor Advisories (1)

redhatCVE-2021-40211Important

ImageMagick: Division by zero in ReadEnhMetaFile lead to DoS

Aug 22, 2023

References

github.com / ImageMagick/ImageMagick/issues/4097
Issue TrackingPatchThird Party Advisory