PatchTheCVECVE-2021-20833: The SNKRDUNK Market Place App for iOS versions prior to 2.2.0 does not verify server certificate properly, whi
CVE-2021-20833 is a high-severity flaw (CVSS 7.4) affecting snkrdunk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The SNKRDUNK Market Place App for iOS versions prior to 2.2.0 does not verify server certificate properly, which allows man-in-the-middle attackers to eavesdrop on and/or alter encrypted communication via a crafted certificate.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.4 (High) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 58%) |
| CISA exploited list | No |
| Weakness | CWE-295 |
| Published | 2021-10-13 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-20833?
snkrdunk: upgrade to 2.2.0. Exact commands for each OS are on this page.
Is CVE-2021-20833 being exploited?
CVE-2021-20833 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-20833 affect?
CVE-2021-20833 affects snkrdunk. Severity is high (CVSS 7.4). The SNKRDUNK Market Place App for iOS versions prior to 2.2.0 does not verify server certificate properly, which allows man-in-the-middle attackers to eavesdrop on and/or alter encrypted communication via a crafted certificate.
How urgent is CVE-2021-20833?
Priority 41/100. High severity; Remotely exploitable, no login, no user action