Open Redirect in Telefonica O2 Business
CVE-2020-11882
The O2 Business application 1.2.0 for Android exposes the canvasm.myo2.SplashActivity activity to other applications. The purpose of this activity is to handle deeplinks that can be delivered either via links or by directly calling the activity. However, the deeplink format is not properly validated. This can be abused by an attacker to redirect a user to any page and deliver any content to the user.
Vulnerability class: Open Redirect
EPSS: 0.010 (59.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Telefonica O2_business — versions 1.2.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Broken Link)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-11882?
- CVE-2020-11882 is a medium-severity vulnerability in Telefonica O2 Business, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2020-07-07.
- How severe is CVE-2020-11882?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2020-11882 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.