How severe is CVE-2016-2977?

CVE-2016-2977 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2016-2977 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-2977?

CVE-2016-2977 primarily affects Ibm Sametime. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-2977?

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

When was CVE-2016-2977 published?

CVE-2016-2977 was published on 2017-08-29 and last updated on 2026-06-17.

CVE-2016-2977

CVE-2016-2977 is a medium-severity vulnerability in Ibm Sametime 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. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Ibm Sametime
Published: 2017-08-29
Last modified: 2026-06-17

Description

IBM Sametime Meeting Server 8.5.2 and 9.0 could allow a malicious user to lower other users hands in the meeting. IBM X-Force ID: 113937.

Frequently asked questions

What is CVE-2016-2977?: IBM Sametime Meeting Server 8.5.2 and 9.0 could allow a malicious user to lower other users hands in the meeting. IBM X-Force ID: 113937.
How severe is CVE-2016-2977?: CVE-2016-2977 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2016-2977 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-2977?: CVE-2016-2977 primarily affects Ibm Sametime. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-2977?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-2977 published?: CVE-2016-2977 was published on 2017-08-29 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:ibm:sametime:8.5.2.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:sametime:8.5.2.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:sametime:9.0.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:sametime:9.0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:sametime:9.0.1:*:*:*:*:*:*:*

More vulnerabilities in Ibm Sametime

CVE-2016-2972 — High (CVSS 7.8): IBM Sametime Meeting Server 8.5.2 and 9.0 could store credentials of the Sametime Meetings user in the local cache of…
CVE-2013-6742 — High (CVSS 7.5): The Meeting Server in IBM Sametime 8.5.2 through 8.5.2.1 and 9.x through 9.0.0.1 do not have an off autocomplete…
CVE-2013-3983 — High (CVSS 7.5): The Meeting Server in IBM Sametime 8.5.2 through 8.5.2.1 and 9.x through 9.0.0.1 does not validate URLs in Cookie…
CVE-2013-3988 — Medium (CVSS 6.8): The Meeting Server in IBM Sametime 8.5.2 through 8.5.2.1 and 9.x through 9.0.0.1 allows remote attackers to conduct…
CVE-2016-2965 — Medium (CVSS 6.5): IBM Sametime Meeting Server 8.5.2 and 9.0 is vulnerable to cross-site request forgery, caused by improper validation of…
CVE-2016-0356 — Medium (CVSS 6.5): IBM Sametime Enterprise Meeting Server 8.5.2 and 9.0 could allow an authenticated user that has been invited to a…

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