Improper authentication in Cisco WebEx Meetings Server
Priority LOW 32CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
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.
Why it matters now
EPSS 0.01451 73rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Cisco WebEx Meetings Server | Cisco WebEx Meetings Server | — | No fix listed | CNA |
- Cisco WebEx Meetings Server Vendor— Affected Cisco WebEx Meetings Server Fixed in — No fix listed CNA
CPE configurations NVD · 31
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:webex_meetings_server:2.5.1.5:*:*:*:*:*:*:* | 2.5.1.5 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.5.1.29:*:*:*:*:*:*:* | 2.5.1.29 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.5.99.2:*:*:*:*:*:*:* | 2.5.99.2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.5_base:*:*:*:*:*:*:* | 2.5_base | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.5_mr1:*:*:*:*:*:*:* | 2.5_mr1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.5_mr2:*:*:*:*:*:*:* | 2.5_mr2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.5_mr2:patch_1:*:*:*:*:*:* | 2.5_mr2 patch_1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.5_mr3:*:*:*:*:*:*:* | 2.5_mr3 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.5_mr4:*:*:*:*:*:*:* | 2.5_mr4 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.5_mr5:*:*:*:*:*:*:* | 2.5_mr5 | Vulnerable | Cisco |
- cpe:2.3:a:cisco:webex_meetings_server:2.5.1.5:*:*:*:*:*:*:* Versions 2.5.1.5 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.5.1.29:*:*:*:*:*:*:* Versions 2.5.1.29 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.5.99.2:*:*:*:*:*:*:* Versions 2.5.99.2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.5_base:*:*:*:*:*:*:* Versions 2.5_base Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.5_mr1:*:*:*:*:*:*:* Versions 2.5_mr1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.5_mr2:*:*:*:*:*:*:* Versions 2.5_mr2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.5_mr2:patch_1:*:*:*:*:*:* Versions 2.5_mr2 patch_1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.5_mr3:*:*:*:*:*:*:* Versions 2.5_mr3 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.5_mr4:*:*:*:*:*:*:* Versions 2.5_mr4 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.5_mr5:*:*:*:*:*:*:* Versions 2.5_mr5 Vulnerable ·Cisco
Show 21 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:webex_meetings_server:2.5_mr5:patch_1:*:*:*:*:*:* | 2.5_mr5 patch_1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.5_mr6:*:*:*:*:*:*:* | 2.5_mr6 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.5_mr6:patch_1:*:*:*:*:*:* | 2.5_mr6 patch_1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.5_mr6:patch_2:*:*:*:*:*:* | 2.5_mr6 patch_2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.5_mr6:patch_3:*:*:*:*:*:* | 2.5_mr6 patch_3 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.5_mr6:patch_4:*:*:*:*:*:* | 2.5_mr6 patch_4 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.6.0:*:*:*:*:*:*:* | 2.6.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.6.1.39:*:*:*:*:*:*:* | 2.6.1.39 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.6_mr1:*:*:*:*:*:*:* | 2.6_mr1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.6_mr1:patch_1:*:*:*:*:*:* | 2.6_mr1 patch_1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.6_mr2:*:*:*:*:*:*:* | 2.6_mr2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.6_mr2:patch_1:*:*:*:*:*:* | 2.6_mr2 patch_1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.6_mr3:*:*:*:*:*:*:* | 2.6_mr3 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.6_mr3:patch_1:*:*:*:*:*:* | 2.6_mr3 patch_1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.6_mr3:patch_2:*:*:*:*:*:* | 2.6_mr3 patch_2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.7.1:*:*:*:*:*:*:* | 2.7.1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.7_base:*:*:*:*:*:*:* | 2.7_base | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.7_mr1:*:*:*:*:*:*:* | 2.7_mr1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.7_mr1:patch_1:*:*:*:*:*:* | 2.7_mr1 patch_1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.7_mr2:*:*:*:*:*:*:* | 2.7_mr2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:webex_meetings_server:2.7_mr2:patch_1:*:*:*:*:*:* | 2.7_mr2 patch_1 | Vulnerable | Cisco |
- cpe:2.3:a:cisco:webex_meetings_server:2.5_mr5:patch_1:*:*:*:*:*:* Versions 2.5_mr5 patch_1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.5_mr6:*:*:*:*:*:*:* Versions 2.5_mr6 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.5_mr6:patch_1:*:*:*:*:*:* Versions 2.5_mr6 patch_1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.5_mr6:patch_2:*:*:*:*:*:* Versions 2.5_mr6 patch_2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.5_mr6:patch_3:*:*:*:*:*:* Versions 2.5_mr6 patch_3 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.5_mr6:patch_4:*:*:*:*:*:* Versions 2.5_mr6 patch_4 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.6.0:*:*:*:*:*:*:* Versions 2.6.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.6.1.39:*:*:*:*:*:*:* Versions 2.6.1.39 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.6_mr1:*:*:*:*:*:*:* Versions 2.6_mr1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.6_mr1:patch_1:*:*:*:*:*:* Versions 2.6_mr1 patch_1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.6_mr2:*:*:*:*:*:*:* Versions 2.6_mr2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.6_mr2:patch_1:*:*:*:*:*:* Versions 2.6_mr2 patch_1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.6_mr3:*:*:*:*:*:*:* Versions 2.6_mr3 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.6_mr3:patch_1:*:*:*:*:*:* Versions 2.6_mr3 patch_1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.6_mr3:patch_2:*:*:*:*:*:* Versions 2.6_mr3 patch_2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.7.1:*:*:*:*:*:*:* Versions 2.7.1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.7_base:*:*:*:*:*:*:* Versions 2.7_base Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.7_mr1:*:*:*:*:*:*:* Versions 2.7_mr1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.7_mr1:patch_1:*:*:*:*:*:* Versions 2.7_mr1 patch_1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.7_mr2:*:*:*:*:*:*:* Versions 2.7_mr2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:webex_meetings_server:2.7_mr2:patch_1:*:*:*:*:*:* Versions 2.7_mr2 patch_1 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-3880
- 2026-10-03 Alias added: GHSA-h6ph-8m27-fx8c
References
More Cisco Webex Meetings Server vulnerabilities
- TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
- TI-2017-02920 Memory corruption in Cisco WebEx browser extensions CVSS 3.0HIGH 8.8
- TI-2018-00079 Improper input validation in Cisco WebEx Advanced Recording Format Player CVSS 3.0CRITICAL 9.6
- TI-2020-02913 Cisco Webex Meetings and Cisco Webex Meetings Server Token Handling Unauthorized Access Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2017-09144 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players CVSS 3.0CRITICAL 9.6
- TI-2017-09140 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players CVSS 3.0CRITICAL 9.6
Sources
- CVE-2017-3880 · CVE Program
- CVE-2017-3880 · NVD
- FIRST EPSS
- GHSA-h6ph-8m27-fx8c · GitHub Advisory Database · CC BY 4.0
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