CVE-2021-34420 (GCVE-0-2021-34420)
Vulnerability from cvelistv5 – Published: 2021-11-11 22:59 – Updated: 2024-09-16 21:03
VLAI?
Title
Zoom Windows installation executable signature bypass
Summary
The Zoom Client for Meetings for Windows installer before version 5.5.4 does not properly verify the signature of files with .msi, .ps1, and .bat extensions. This could lead to a malicious actor installing malicious software on a customer’s computer.
Severity ?
4.7 (Medium)
CWE
- Improper Verification of Cryptographic Signature
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Zoom Video Communications Inc | Zoom Client for Meetings for Windows |
Affected:
unspecified , < 5.5.4
(custom)
|
Credits
Laurent Delosieres of ManoMano
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}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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