CVE-2021-21400 json
Entering code in App Lock modal sends input to conversation
published 2021-04-02 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8697
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
wire-webapp is an open-source front end for Wire, a secure collaboration platform. In wire-webapp before version 2021-03-15-production.0, when being prompted to enter the app-lock passphrase, the typed passphrase will be sent into the most recently used chat when the user does not actively give focus to the input field. Input element focus is enforced programatically in version 2021-03-15-production.0.
Patch / fix
Exploit prediction
1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Affected products
- wireapp wire-webapp
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
github.com
/wireapp/wire-webapp/pull/10704
patch, third-party-advisory
-
github.com
/wireapp/wire-webapp/commit/281f2a9d795f68abe423c116d5da4e1e73a60062
patch, third-party-advisory
-
github.com
/wireapp/wire-webapp/security/advisories/GHSA-cxwr-f2j3-q8hp
third-party-advisory
-
github.com
/wireapp/wire-webapp/releases/tag/2021-03-15-production.0
release-notes, third-party-advisory
Sources
- CVE List CVE-2021-21400
- NVD CVE-2021-21400
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