No exploitation reportedFix available

CVE-2022-37377

Q: Is CVE-2022-37377 actively exploited?

Active exploitation of CVE-2022-37377 has not been confirmed. Its EPSS score was 1.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-37377?

CVE-2022-37377 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2023-03-29
Fixed in11.2.3 · 10.1.9
WeaknessCWE-843

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Editor 11.1.1.53537;. 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 JavaScript optimizations. The issue results from an improper optimization, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-16733.

Timeline

dates in UTC

2023-03-2919:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-37377?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-37377?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Foxit pdf editorversion to verify

Branch	Affected	Fixed in	Source
11.x	≥ 11.0.0, < 11.2.3	11.2.3	NVD
10.1	< 10.1.9	10.1.9	NVD
12.0	= 12.0.0.12394	no fix published	NVD

Foxit pdf readerversion to verify

Branch	Affected	Fixed in	Source
12.0	< 12.0.1	12.0.1	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Foxit pdf editor to 11.2.3 · 10.1.9

Advisories and patches

www.foxit.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-02-14
OpenCVESSVC decisionnone—
NVDCVSS 3.17.8read 2026-10-23
CNACVSS 3.07.8read 2026-10-23
CNAweakness (CWE)CWE-843read 2026-10-23
FIRST EPSSEPSS score1.0 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2023-03-29
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-37377?

Is CVE-2022-37377 actively exploited?

Active exploitation of CVE-2022-37377 has not been confirmed. Its EPSS score was 1.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-37377?

CVE-2022-37377 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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