CVE-2020-23565

HIGHNVD 7.87.8—

7.8

Irfanview v4.53 allows attackers to execute arbitrary code via a crafted JPEG 2000 file. Related to a "Data from Faulting Address controls Branch Selection starting at JPEG2000!ShowPlugInSaveOptions_W+0x0000000000032850".

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 60.2%
KEV: Not listed

Published

November 5, 2021

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://github.com/KamasuOri/publicResearch/tree/master/poc/irfanview/3
af854a3a-2127-422b-91ae-364da2661108https://github.com/KamasuOri/publicResearch/tree/master/poc/irfanview/3

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore

Frequently asked(5)

What is CVE-2020-23565?

CVE-2020-23565 is a high vulnerability published on November 5, 2021. Irfanview v4.53 allows attackers to execute arbitrary code via a crafted JPEG 2000 file. Related to a "Data from Faulting Address controls Branch Selection starting at JPEG2000!ShowPlugInSaveOptions_W+0x0000000000032850".

When was CVE-2020-23565 disclosed?

CVE-2020-23565 was first published in the National Vulnerability Database on November 5, 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-2020-23565 actively exploited?

CVE-2020-23565 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 60.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-23565?

CVE-2020-23565 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2020-23565?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-23565, 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.

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CVE-2020-23565

📅 Published

🔄 Last Modified

🔗 References (2)