CVE-2020-5521
The kantan netprint App for iOS 2.0.2 and earlier does not verify X.509 certificates from servers...
The kantan netprint App for iOS 2.0.2 and earlier does not verify X.509 certificates from servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The kantan netprint App for iOS 2.0.2 and earlier does not verify X.509 certificates from servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
- Record
CVE-2020-5521- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
CVE List No score
The kantan netprint App for iOS 2.0.2 and earlier does not verify X.509 certificates from servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
- Record
CVE-2020-5521- Updated
- 2026-11-02
EUVDEUVD-2020-26684 No score
The kantan netprint App for iOS 2.0.2 and earlier does not verify X.509 certificates from servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
- Record
EUVD-2020-26684- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j3jh-2qxv-87vp No score
The kantan netprint App for iOS 2.0.2 and earlier does not verify X.509 certificates from servers...
The kantan netprint App for iOS 2.0.2 and earlier does not verify X.509 certificates from servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
- Record
GHSA-j3jh-2qxv-87vp- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-5521 is a high vulnerability (CVSS 7.4) in Fuji Xerox Co.,ltd. Kantan Netprint App For Ios, published January 27, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. No source names a fixed version.