7.5

CVE-2021-38567: foxit pdf_reader NULL Pointer Dereference

CVSS: 7.5v3.1HighModified
Published 11-08-2021Last modified 04-08-2024

Vulnerability summary

CVE-2021-38567 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in foxit pdf_reader. EPSS estimates a 0.99% chance of exploitation in the next 30 days, higher than 61.8% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.99%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-08-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Foxit PDF Editor before 11.0.1 and PDF Reader before 11.0.1 on macOS. It mishandles missing dictionary entries, leading to a NULL pointer dereference, aka CNVD-C-2021-95204.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.99%

Chance of exploitation in the next 30 days

Percentile

62%

Versus all other CVEs

30-day change

0.00 pp

From 0.99% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.99%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Foxit1 product
Foxitsoftware1 product

2 vendors · 2 products

References

1 links