IBM Sametime Meeting Server 8.5.2 and 9.0 could allow an authenticated and invited user of Sametime meeting to lower any or all hands in an e-meeting, thus spoofing results of votes in the meeting. IBM X-Force ID: 113803.
CVE-2016-10503
MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence
Score 4.3 from GitHub Security Advisory published 2022-05-17. NVD baseline CVSS 4.3; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 4.3Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.3
- EG Score
- 4.3(medium)
- EPSS
- 47.8%
- KEV
- Not listed
Published
August 29, 2017
Last Modified
May 13, 2026
References (4)
- psirt@ushttp://www.ibm.com/support/docview.wss?uid=swg22006439
- psirt@ushttps://exchange.xforce.ibmcloud.com/vulnerabilities/113803
- af854a3a-2127-422b-91ae-364da2661108http://www.ibm.com/support/docview.wss?uid=swg22006439
- af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/113803
Data Freshness Timeline
(refreshed 9× in last 7d / 43× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 13:42 UTCEPSS rescore
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- 2026-05-22 10:18 UTCEG score recompute
- 2026-05-22 10:18 UTCGHSA enrichment
- 2026-05-21 22:40 UTCEPSS rescore
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- 2026-05-20 18:33 UTCOSV refresh
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- 2026-05-18 21:30 UTCEPSS rescore
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Frequently asked(5)
What is CVE-2016-10503?
CVE-2016-10503 is a medium vulnerability published on August 29, 2017. IBM Sametime Meeting Server 8.5.2 and 9.0 could allow an authenticated and invited user of Sametime meeting to lower any or all hands in an e-meeting, thus spoofing results of votes in the meeting. IBM X-Force ID: 113803.
When was CVE-2016-10503 disclosed?
CVE-2016-10503 was first published in the National Vulnerability Database on August 29, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-10503 actively exploited?
CVE-2016-10503 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 47.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2016-10503?
CVE-2016-10503 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2016-10503?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-10503, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2016-10503
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