Vulnerability · Published Apr 2, 2021 · Assigned by GitHub_M

CVE-2021-21400Entering code in App Lock modal sends input to conversation

High 7.1

In plain English

A high-severity information exposure in wire-webapp from wireapp. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS 3.1)7.1High

Exploit odds (30 days)1.2%top 30.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
wireapp	wire-webapp	< 2021-03-15-production.0

Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

References

https://github.com/wireapp/wire-webapp/security/advisories/GHSA-cxwr-f2j3-q8hp x_refsource_CONFIRM
https://github.com/wireapp/wire-webapp/pull/10704 x_refsource_MISC
https://github.com/wireapp/wire-webapp/releases/tag/2021-03-15-production.0 x_refsource_MISC
https://github.com/wireapp/wire-webapp/commit/281f2a9d795f68abe423c116d5da4e1e73a60062 x_refsource_MISC