CVE-2020-23557 json
IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!ShowPlugInSaveOptions_W+0x000000000000755d.
published 4y ago modified 4mo ago also EUVD-2020-16301
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 26%
- public exploits
- 0
- none known
Summary
IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!ShowPlugInSaveOptions_W+0x000000000000755d.
Is CVE-2020-23557 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
irfanview.com
/plugins.htm
product
-
github.com
/nhiephon/Research
third-party-advisory
Sources
- CVE List CVE-2020-23557
- NVD CVE-2020-23557
Fencer Intel 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.