An Authentication Bypass vulnerability in Cisco WebEx Meetings Server could allow an unauthenticated, remote attacker to access limited meeting information on the Cisco WebEx Meetings Server. More Information: CSCvd50728. Known Affected Releases: 2.6 2.7 2.8 CWMS-2.5MR1 Orion1.1.2.patch T29_orion_merge.
CVE-2017-3880
MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence
Score 6.5 from GitHub Security Advisory published 2022-05-17. NVD baseline CVSS 6.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.5Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EPSS
- 70.2%
- KEV
- Not listed
Published
March 17, 2017
Last Modified
May 13, 2026
References (6)
- psirt@ciscohttp://www.securityfocus.com/bid/96918
- psirt@ciscohttp://www.securitytracker.com/id/1038040
- psirt@ciscohttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170315-webex
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/96918
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1038040
- af854a3a-2127-422b-91ae-364da2661108https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170315-webex
Data Freshness Timeline
(refreshed 11× in last 7d / 39× 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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- 2026-06-27 03:06 UTCEPSS rescore
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- 2026-06-25 13:47 UTCEPSS rescore
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- 2026-06-19 19:23 UTCEPSS rescore
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- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-13 22:57 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
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- 2026-06-10 13:19 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
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- 2026-06-06 13:45 UTCEPSS rescore
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- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
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- 2026-05-31 00:14 UTCEPSS rescore
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- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
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- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
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- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 15:13 UTCEG score recompute
- 2026-05-22 15:12 UTCGHSA enrichment
- 2026-05-21 22:40 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-18 21:30 UTCEPSS rescore
Frequently asked(5)
What is CVE-2017-3880?
CVE-2017-3880 is a medium vulnerability published on March 17, 2017. An Authentication Bypass vulnerability in Cisco WebEx Meetings Server could allow an unauthenticated, remote attacker to access limited meeting information on the Cisco WebEx Meetings Server. More Information: CSCvd50728. Known Affected Releases: 2.6 2.7 2.8 CWMS-2.5MR1 Orion1.1.2.patch…
When was CVE-2017-3880 disclosed?
CVE-2017-3880 was first published in the National Vulnerability Database on March 17, 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-2017-3880 actively exploited?
CVE-2017-3880 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 70.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-3880?
CVE-2017-3880 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2017-3880?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-3880, 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
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