CVE-2021-27768
mediumpriority · track · 24EPSS 0.003 · 26 %ileEUUSEPSS · scored 2026-10-28
Using the ability to perform a Man-in-the-Middle (MITM) attack, which indicates a lack of hostname verification, sensitive account information was able to be intercepted. In this specific scenario, the application's network traffic was intercepted using a proxy server set up in 'transparent' mode while a certificate with an invalid hostname was active. The Android application was found to have hostname verification issues during the server setup and login flows; however, the application did not process requests post-login.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2021-27768/cnnvd
- https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097753cnnvd
- https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097753enisa_euvd
- https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097753Vendor Advisorynvd
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