SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-34833

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893.

HIGH 7.8EPSS 95.7%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 95.7%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14023.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
95.66% probability · 100th percentile
CISA KEV
Not listed
Weakness
CWE-416
Affected
foxit/pdf reader · foxitsoftware/pdf editor
Source
zdi-disclosures@trendmicro.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.