Foxit Reader 10.1.1.37576 Annotation Object use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Foxit Reader 10.1.1.37576. Affected by this vulnerability is an unknown functionality of the component Annotation Object Handler. Performing a manipulation results in use after free. This vulnerability is known as CVE-2021-31456. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Foxit Reader 10.1.1.37576 (Document Reader Software). This affects an unknown functionality of the component Annotation Object Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 05/08/2021. It is possible to read the advisory at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2021-31456. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 10.1.4 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Reader 10.1.4

Timelineinfo

04/16/2021 🔍
05/08/2021 +22 days 🔍
05/08/2021 +0 days 🔍
05/04/2026 +1822 days 🔍

Sourcesinfo

Vendor: foxitsoftware.com

Advisory: zerodayinitiative.com
Status: Confirmed

CVE: CVE-2021-31456 (🔍)
GCVE (CVE): GCVE-0-2021-31456
GCVE (VulDB): GCVE-100-174735

Entryinfo

Created: 05/08/2021 10:09
Updated: 05/04/2026 19:03
Changes: 05/08/2021 10:09 (36), 05/12/2021 19:07 (2), 05/12/2021 19:16 (19), 05/04/2026 18:59 (2), 05/04/2026 19:03 (20)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

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