CVE-2020-23545 json
IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!ReadXPM_W+0x0000000000000531.
published 2021-12-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2020-16289
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!ReadXPM_W+0x0000000000000531.
Exploit prediction
1.31% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
References
-
irfanview.com
/plugins.htm
release-notes, vendor-advisory
-
github.com
/nhiephon/Research/blob/master/README.md
third-party-advisory
-
github.com
/nhiephon/Research/blob/master/Irfanview/0x0000000000000531.MD
third-party-advisory
Sources
- CVE List CVE-2020-23545
- NVD CVE-2020-23545
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.