How severe is CVE-2016-4048?

CVE-2016-4048 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2016-4048 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4048?

CVE-2016-4048 affects Open-xchange Open-xchange Appsuite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-4048?

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

When was CVE-2016-4048 published?

CVE-2016-4048 was published on 2016-12-15 and last updated on 2026-06-17.

CVE-2016-4048

CVE-2016-4048 is a medium-severity vulnerability in Open-xchange Open-xchange Appsuite with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.3
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Open-xchange Open-xchange Appsuite
Published: 2016-12-15
Last modified: 2026-06-17

Description

An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev11. Custom messages can be shown at the login screen to notify external users about issues with sharing links. This mechanism can be abused to inject arbitrary text messages. Users may get tricked to follow instructions injected by third parties as part of social engineering attacks.

Frequently asked questions

What is CVE-2016-4048?: An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev11. Custom messages can be shown at the login screen to notify external users about issues with sharing links. This mechanism can be abused to inject arbitrary text messages. Users may get tricked to follow instructions injected by third parties as part of social engineering attacks.
How severe is CVE-2016-4048?: CVE-2016-4048 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2016-4048 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4048?: CVE-2016-4048 affects Open-xchange Open-xchange Appsuite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-4048?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-4048 published?: CVE-2016-4048 was published on 2016-12-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:open-xchange:open-xchange_appsuite:*:rev9:*:*:*:*:*:*

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