How severe is CVE-2016-3996?

CVE-2016-3996 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2016-3996 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-3996?

CVE-2016-3996 primarily affects Samsung Knox. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-3996?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-3996 published?

CVE-2016-3996 was published on 2017-01-27 and last updated on 2026-06-17.

CVE-2016-3996

CVE-2016-3996 is a medium-severity vulnerability in Samsung Knox with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Samsung Knox
Published: 2017-01-27
Last modified: 2026-06-17

Description

ClipboardDataMgr in Samsung KNOX 1.0.0 and 2.3.0 does not properly check the caller, which allows local users to read KNOX clipboard data via a crafted application.

Frequently asked questions

What is CVE-2016-3996?: ClipboardDataMgr in Samsung KNOX 1.0.0 and 2.3.0 does not properly check the caller, which allows local users to read KNOX clipboard data via a crafted application.
How severe is CVE-2016-3996?: CVE-2016-3996 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2016-3996 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3996?: CVE-2016-3996 primarily affects Samsung Knox. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-3996?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-3996 published?: CVE-2016-3996 was published on 2017-01-27 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:samsung:knox:1.0:*:*:*:*:*:*:*
cpe:2.3:a:samsung:knox:2.3.0:*:*:*:*:*:*:*

More vulnerabilities in Samsung Knox

CVE-2016-1920 — Medium (CVSS 5.5): Samsung KNOX 1.0.0 uses the shared certificate on Android, which allows local users to conduct man-in-the-middle…
CVE-2016-1919 — Medium (CVSS 4.7): Samsung KNOX 1.0 uses a weak eCryptFS Key generation algorithm, which makes it easier for local users to obtain…
CVE-2019-6744 — Medium (CVSS 4.3): This vulnerability allows local attackers to disclose sensitive information on affected installations of Samsung Knox…

All CVEs affecting Samsung Knox →

Other CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities

CVE-2026-27604 — Critical (CVSS 10.0): FOSSBilling is a free, open-source billing and client management system. Starting in version 0.5.4 and prior to version…
CVE-2026-40965 — Critical (CVSS 10.0): Cloud Foundry UAA versions v76.12.0 through v78.12.0 are vulnerable to a private key exposure. The server contains a…
CVE-2026-42826 — Critical (CVSS 10.0): Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose…
CVE-2025-29270 — Critical (CVSS 10.0): Incorrect access control in the realtime.cgi endpoint of Deep Sea Electronics devices DSE855 v1.1.0 to v1.1.26 allows…
CVE-2025-61481 — Critical (CVSS 10.0): An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by…
CVE-2025-53624 — Critical (CVSS 10.0): The Docusaurus gists plugin adds a page to your Docusaurus instance, displaying all public gists of a GitHub user.…

Browse all CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities →