How severe is CVE-2016-5455?

CVE-2016-5455 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2016-5455 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-5455?

CVE-2016-5455 primarily affects Oracle Communications Messaging Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-5455?

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

When was CVE-2016-5455 published?

CVE-2016-5455 was published on 2016-07-21 and last updated on 2026-06-17.

CVE-2016-5455

CVE-2016-5455 is a medium-severity vulnerability in Oracle Communications Messaging Server with a CVSS 3.x base score of 5.3. 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 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Communications Messaging Server
Published: 2016-07-21
Last modified: 2026-06-17

Description

Unspecified vulnerability in the Oracle Communications Messaging Server component in Oracle Communications Applications 6.3, 7.0, and 8.0 allows remote attackers to affect confidentiality via vectors related to Multiplexor.

Frequently asked questions

What is CVE-2016-5455?: Unspecified vulnerability in the Oracle Communications Messaging Server component in Oracle Communications Applications 6.3, 7.0, and 8.0 allows remote attackers to affect confidentiality via vectors related to Multiplexor.
How severe is CVE-2016-5455?: CVE-2016-5455 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2016-5455 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-5455?: CVE-2016-5455 primarily affects Oracle Communications Messaging Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-5455?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-5455 published?: CVE-2016-5455 was published on 2016-07-21 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:oracle:communications_messaging_server:6.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_messaging_server:7.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_messaging_server:8.0:*:*:*:*:*:*:*

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