What is CVE-2021-31435?

CVE-2021-31435 is a high-severity vulnerability in Foxit Studio Photo, classified under CWE-457. CVSS score: 7.8/10. Published 2021-04-29.

How severe is CVE-2021-31435?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Foxit Studio Photo

CVE-2021-31435

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio Photo 3.6.6.931. 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 parsing of CMP files. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12331.

Published 2021-04-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.028 (85.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-457

References

www.foxitsoftware.com/support/security-bulletins.html (Vendor Advisory)
www.zerodayinitiative.com/advisories/ZDI-21-478/ (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2021-31435?: CVE-2021-31435 is a high-severity vulnerability in Foxit Studio Photo, classified under CWE-457. CVSS score: 7.8/10. Published 2021-04-29.
How severe is CVE-2021-31435?: High severity. CVSS v3 base score is 7.8 out of 10.