ImageMagick 7.1.0-4 coders/emf.c ReadEnhMetaFile divide by zero

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in ImageMagick 7.1.0-4. It has been classified as problematic. Impacted is the function ReadEnhMetaFile of the file coders/emf.c. This manipulation causes divide by zero. This vulnerability is handled as CVE-2021-40211. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic was found in ImageMagick 7.1.0-4 (Image Processing Software). Affected by this vulnerability is the function ReadEnhMetaFile of the file coders/emf.c. The manipulation with an unknown input leads to a divide by zero vulnerability. The CWE definition for the vulnerability is CWE-369. The product divides a value by zero. As an impact it is known to affect availability. The summary by CVE is:

An issue was discovered with ImageMagick 7.1.0-4 via Division by zero in function ReadEnhMetaFile of coders/emf.c.

The weakness was released 08/23/2023 as 4097. The advisory is shared at github.com. This vulnerability is known as CVE-2021-40211 since 08/30/2021. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 239779 (TencentOS Server 2: ImageMagick (TSSA-2023:0233)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (239779). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Divide by zero
CWE: CWE-369 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 239779
Nessus Name: TencentOS Server 2: ImageMagick (TSSA-2023:0233)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/30/2021 🔍
08/23/2023 +723 days 🔍
08/23/2023 +0 days 🔍
06/20/2025 +667 days 🔍

Sourcesinfo

Product: imagemagick.org

Advisory: 4097
Status: Confirmed

CVE: CVE-2021-40211 (🔍)
GCVE (CVE): GCVE-0-2021-40211
GCVE (VulDB): GCVE-100-237781

Entryinfo

Created: 08/23/2023 10:24
Updated: 06/20/2025 08:05
Changes: 08/23/2023 10:24 (40), 09/16/2023 08:31 (11), 06/20/2025 08:05 (17)
Complete: 🔍
Cache ID: 216::103

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