Vulnerability in Keybase
CVE-2021-34421
The Keybase Client for Android before version 5.8.0 and the Keybase Client for iOS before version 5.8.0 fails to properly remove exploded messages initiated by a user if the receiving user places the chat session in the background while the sending user explodes the messages. This could lead to disclosure of sensitive information which was meant to be deleted from the customer's device.
EPSS: 0.007 (49.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Keybase — versions 5.8.0
- Zoom Video Communications Inc Keybase Client For Android — versions unspecified
- Zoom Video Communications Inc Keybase Client For Ios — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@zoom.us (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-34421?
- CVE-2021-34421 is a low-severity vulnerability in Keybase, classified under Incomplete Cleanup. CVSS score: 3.7/10. Published 2021-11-11.
- How severe is CVE-2021-34421?
- Low severity. CVSS v3 base score is 3.7 out of 10.
- Is CVE-2021-34421 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.