VDB-174749 · CVE-2021-31452 · GCVE-0-2021-31452

Foxit Reader 10.1.1.37576 XFA Form out-of-bounds write

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Foxit Reader 10.1.1.37576. This vulnerability affects unknown code of the component XFA Form Handler. The manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2021-31452. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Foxit Reader 10.1.1.37576 (Document Reader Software) and classified as critical. This issue affects an unknown functionality of the component XFA Form Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was shared 05/08/2021. The advisory is shared at zerodayinitiative.com. The identification of this vulnerability is CVE-2021-31452. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading to version 10.1.4 eliminates this vulnerability.

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Productinfo

Type

Document Reader Software

Vendor

Foxit

Name

Reader

Version

10.1.1.37576

License

free

Website

Vendor: https://www.foxitsoftware.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

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

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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-2021-31452 (🔍)
GCVE (CVE): GCVE-0-2021-31452
GCVE (VulDB): GCVE-100-174749

Entryinfo

Created: 05/08/2021 10:27
Updated: 05/04/2026 22:42
Changes: 05/08/2021 10:27 (37), 05/12/2021 23:21 (2), 05/12/2021 23:31 (1), 05/04/2026 22:39 (2), 05/04/2026 22:42 (20)
Complete: 🔍
Committer: lywand
Cache ID: 216::103