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.
CVE-2021-31435
HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence
This high-severity CVE scores 7.8 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 42% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: epss, nvd
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 7.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.8
- EG Score
- 7.8(medium)
- EPSS
- 84.5%
- KEV
- Not listed
Published
April 29, 2021
Last Modified
November 21, 2024
References (4)
- zdi-disclosures@trendmicrohttps://www.foxitsoftware.com/support/security-bulletins.html
- zdi-disclosures@trendmicrohttps://www.zerodayinitiative.com/advisories/ZDI-21-478/
- af854a3a-2127-422b-91ae-364da2661108https://www.foxitsoftware.com/support/security-bulletins.html
- af854a3a-2127-422b-91ae-364da2661108https://www.zerodayinitiative.com/advisories/ZDI-21-478/
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Frequently asked(5)
What is CVE-2021-31435?
CVE-2021-31435 is a high vulnerability published on April 29, 2021. 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…
When was CVE-2021-31435 disclosed?
CVE-2021-31435 was first published in the National Vulnerability Database on April 29, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-31435 actively exploited?
CVE-2021-31435 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 84.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-31435?
CVE-2021-31435 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2021-31435?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-31435, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2021-31435
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