CVE-2020-27856: This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxi

This month

HIGH 7.8DOWNGRADE

CVE-2020-27856 is a high-severity flaw (CVSS 7.8) affecting foxit studio photo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit Studio Photo 3.6.6.922. 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 CR2 files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an al

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Weakness	CWE-125
Published	2021-02-09
Last modified	2026-06-17

Publisher (CNA): Zero Day Initiative · Vendor: foxitsoftware

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-02-09 18:15 UTCPublished CVE record published
2026-06-17 03:09 UTCUpdated Record last modified

foxitsoftware foxit studio photo DOWNGRADE

Affected: 3.6.6.922

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.6.6.922

1. Check installed version

apt-cache policy foxit-studio-photo || rpm -q foxit-studio-photo || foxit-studio-photo --version

2. No fixed release: DOWNGRADE to a release before 3.6.6.922 (Debian / Ubuntu)

apt-cache madison foxit-studio-photo sudo apt install foxit-studio-photo=<VERSION_BEFORE_3.6.6.922> sudo apt-mark hold foxit-studio-photo

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list foxit-studio-photo sudo dnf downgrade foxit-studio-photo-<VERSION_BEFORE_3.6.6.922> sudo dnf versionlock add foxit-studio-photo

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-27856?

foxit studio photo: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-27856 being exploited?

CVE-2020-27856 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-27856 affect?

CVE-2020-27856 affects foxit studio photo. Severity is high (CVSS 7.8). This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit Studio Photo 3.6.6.922. User interaction is required to exploit this vulnerability in that the target must visit a malicious pag

How urgent is CVE-2020-27856?

Priority 49/100. High severity

Related CVEs

CVE-2021-31438 HIGH 7.8 UPGRADE This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio
CVE-2021-31437 HIGH 7.8 UPGRADE This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio
CVE-2021-31436 HIGH 7.8 UPGRADE This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio
CVE-2021-31435 HIGH 7.8 UPGRADE This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio
CVE-2021-31434 HIGH 7.8 UPGRADE This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio

References

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