CVE-2021-21400
Entering code in App Lock modal sends input to conversation
MEDIUM
6.5
CVSS Score
Published: April 2, 2021 at 02:50 PM UTC
Updated: June 17, 2026 at 03:35 AM UTC
2 products affected across 2 vendorsWire WebappWire Webapp
Using wire-webapp by wireapp?
Get instant alerts when new vulnerabilities affect wire-webapp - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6.5
Exploit prediction
EPSS 1%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 2019-7-11-13-182019-10-10 staging02019-10-10 staging12019-10-14 staging02019-10-16 production02019-10-16 production12019-10-16 staging02019-10-16 staging12019-10-21 staging02019-10-25 staging02019-10-29 staging02019-10-31 staging02019-10-7 staging02019-10-7 staging12019-10-8 staging02019-11-1 production02019-11-12 staging02019-11-19 staging02019-11-21 production02019-11-21 staging02019-11-25 staging02019-11-26 production02019-11-8 staging02019-12-12 staging02019-12-20 staging02019-2-11 staging02019-2-11 staging12019-2-11 staging22019-2-13 staging02019-2-18 staging02019-2-27 staging02019-2-28 staging02019-2-28 staging12019-3-11 staging02019-3-13 staging02019-3-13 staging12019-3-20 staging02019-3-25 staging02019-3-25 staging12019-3-28 staging02019-3-28 staging12019-3-5 staging02019-3-7 staging02019-4-11 staging02019-4-18 staging02019-4-23 staging12019-4-25 staging02019-4-29 staging02019-4-8 staging02019-5-14 staging02019-5-15 staging02019-5-31 staging02019-6-20 staging02019-6-24 staging02019-6-25 staging02019-6-26 staging02019-6-4 staging02019-7-1 staging02019-7-30 staging02019-8-1 staging02019-8-14 staging02019-8-19 staging02019-8-21 production02019-8-22 production02019-8-22 staging02019-8-27 staging02019-9-12 staging02019-9-13 staging02019-9-17 production02019-9-18 staging02019-9-2 production02019-9-23 staging02019-9-24 production02019-9-5 staging02019-9-9 staging02020-1-13 production02020-1-15 staging02020-1-16 staging02020-1-17 staging02020-1-21 staging02020-1-22 production02020-1-6 production02020-1-9 staging02020-10-1 staging02020-10-14 staging02020-10-15 staging02020-10-21 staging02020-10-21 staging12020-10-26 staging02020-10-27 staging02020-10-28 production02020-10-6 staging02020-10-7 production02020-10-7 staging02020-10-8 production02020-11-30 production02020-11-30 staging02020-11-9 production02020-12-10 staging02020-12-14 production02020-2-11 staging02020-2-11 staging12020-2-14 production02020-2-18 staging02020-2-20 staging02020-2-24 staging02020-2-26 staging02020-2-28 staging02020-2-6 staging02020-3-12 staging02020-3-18 staging02020-3-20 staging02020-3-23 production02020-3-3 production02020-3-3 staging02020-3-30 staging02020-3-6 staging02020-4-1 staging02020-4-16 staging02020-4-21 production02020-4-22 staging02020-4-23 staging02020-4-28 staging02020-4-29 production02020-4-7 production02020-4-9 staging02020-5-13 staging02020-5-14 staging02020-5-15 staging02020-5-18 staging02020-5-19 staging02020-5-20 production02020-5-22 staging02020-5-26 staging02020-5-27 staging02020-5-28 staging02020-5-29 staging02020-5-4 staging02020-5-6 staging02020-5-7 production02020-5-7 staging02020-6-10 staging02020-6-12 staging02020-6-15 production02020-6-15 staging02020-6-19 staging02020-6-2 production02020-6-24 production02020-6-29 staging02020-6-5 staging02020-6-8 staging02020-7-13 staging02020-7-16 staging02020-7-24 production02020-7-24 staging02020-7-24 staging12020-7-7 staging02020-7-7 staging12020-8-12 staging02020-8-12 staging12020-8-14 staging02020-8-18 staging02020-8-19 staging02020-8-21 staging02020-8-25 staging02020-8-26 production02020-8-6 staging02020-9-11 production02020-9-17 staging02020-9-18 staging02020-9-2 staging02020-9-21 production02020-9-28 staging02020-9-29 production02020-9-3 staging02020-9-4 staging02020-9-8 staging02021-1-18 production02021-1-18 staging12021-1-27 staging02021-2-15 staging02021-2-17 production02021-2-18 staging02021-2-2 production02021-2-22 staging12021-2-26 staging02021-2-3 staging02021-2-4 staging02021-3-10 staging02021-3-15 production02021-3-4 production02021-3-5 staging0
v < 2021-03-15-production.0
Affected range stops below 2021-03-15-production.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/wireapp/wire-webapp/commit/281f2a9d795f68abe423c116d5da4e1e73a60062x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/wireapp/wire-webapp/pull/10704x_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/wireapp/wire-webapp/releases/tag/2021-03-15-production.0x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://github.com/wireapp/wire-webapp/security/advisories/GHSA-cxwr-f2j3-q8hpCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-200
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card