CVE-2021-33793

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Foxit Reader before 10.1.4 and PhantomPDF before 10.1.4 have an out-of-bounds write because the Cross-Reference table is mishandled during Office document conversion.

Foxit Reader versiones anteriores a 10.1.4 y PhantomPDF versiones anteriores a 10.1.4, presentan una escritura fuera de límites porque la tabla de Referencias Cruzadas es manejada inapropiadamente durante la conversión de documentos de Office

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-06-01 CVE Reserved
2021-08-11 CVE Published
2024-04-26 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://www.foxitsoftware.com/support/security-bulletins.html	2021-08-12

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Foxitsoftware Search vendor "Foxitsoftware"		Foxit Reader Search vendor "Foxitsoftware" for product "Foxit Reader"				< 10.1.4 Search vendor "Foxitsoftware" for product "Foxit Reader" and version " < 10.1.4"		-		Affected
Foxitsoftware Search vendor "Foxitsoftware"		Phantompdf Search vendor "Foxitsoftware" for product "Phantompdf"				< 10.1.4 Search vendor "Foxitsoftware" for product "Phantompdf" and version " < 10.1.4"		-		Affected