How severe is CVE-2017-3880?

CVE-2017-3880 has a CVSS 3.x base score of 6.5, 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 low, and availability none.

Is CVE-2017-3880 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-3880?

CVE-2017-3880 primarily affects Cisco Webex Meetings Server. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-3880?

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

When was CVE-2017-3880 published?

CVE-2017-3880 was published on 2017-03-17 and last updated on 2026-06-17.

CVE-2017-3880

CVE-2017-3880 is a medium-severity vulnerability in Cisco Webex Meetings Server with a CVSS 3.x base score of 6.5. 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-287.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.4
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Cisco Webex Meetings Server
Published: 2017-03-17
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2017-3880?: 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.
How severe is CVE-2017-3880?: CVE-2017-3880 has a CVSS 3.x base score of 6.5, 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 low, and availability none.
Is CVE-2017-3880 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-3880?: CVE-2017-3880 primarily affects Cisco Webex Meetings Server. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-3880?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-3880 published?: CVE-2017-3880 was published on 2017-03-17 and last updated on 2026-06-17.

References

Affected products (31)

cpe:2.3:a:cisco:webex_meetings_server:2.5.1.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.5.1.29:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.5.99.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.5_base:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.5_mr1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.5_mr2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.5_mr2:patch_1:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.5_mr3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.5_mr4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.5_mr5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.5_mr5:patch_1:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.5_mr6:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.5_mr6:patch_1:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.5_mr6:patch_2:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.5_mr6:patch_3:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.5_mr6:patch_4:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.6.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.6.1.39:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.6_mr1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.6_mr1:patch_1:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.6_mr2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.6_mr2:patch_1:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.6_mr3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.6_mr3:patch_1:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.6_mr3:patch_2:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.7.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.7_base:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.7_mr1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.7_mr1:patch_1:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.7_mr2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_meetings_server:2.7_mr2:patch_1:*:*:*:*:*:*

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