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TI-2021-01137 Aliases CVE-2021-1410GHSA-j5h7-5c44-5mjv

Cisco Webex Meetings Unauthorized Distribution List Update Vulnerability

Priority LOW 22CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

A vulnerability in the distribution list feature of Cisco Webex Meetings could allow an authenticated, remote attacker to modify a distribution list that belongs to another user of their organization. The vulnerability is due to insufficient authorization enforcement for requests to update distribution lists. An attacker could exploit this vulnerability by sending a crafted request to the Webex Meetings interface to modify an existing distribution list. A successful exploit could allow the attacker to modify a distribution list that belongs to a user other than themselves.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0083 57th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco Webex Meetings39.7.7; 39.9; 40.4.10; 39.6; 40.6.2; 39.8.2; 39.8.4; 40.1; 39.11; 39.7.4; 39.9.1; 40.4; 40.6; 39.7; 39.8; 39.8.3; 40.2; 39.10—No fix listedCNA
  • Cisco Webex Meetings VendorCisco Affected 39.7.7; 39.9; 40.4.10; 39.6; 40.6.2; 39.8.2; 39.8.4; 40.1; 39.11; 39.7.4; 39.9.1; 40.4; 40.6; 39.7; 39.8; 39.8.3; 40.2; 39.10 Fixed in — No fix listed CNA

CPE configurations NVD · 18

CPEVersionsRoleVendor
cpe:2.3:a:cisco:webex_meetings:39.6:*:*:*:*:*:*:*39.6VulnerableCisco
cpe:2.3:a:cisco:webex_meetings:39.7:*:*:*:*:*:*:*39.7VulnerableCisco
cpe:2.3:a:cisco:webex_meetings:39.7.4:*:*:*:*:*:*:*39.7.4VulnerableCisco
cpe:2.3:a:cisco:webex_meetings:39.7.7:*:*:*:*:*:*:*39.7.7VulnerableCisco
cpe:2.3:a:cisco:webex_meetings:39.8:*:*:*:*:*:*:*39.8VulnerableCisco
cpe:2.3:a:cisco:webex_meetings:39.8.2:*:*:*:*:*:*:*39.8.2VulnerableCisco
cpe:2.3:a:cisco:webex_meetings:39.8.3:*:*:*:*:*:*:*39.8.3VulnerableCisco
cpe:2.3:a:cisco:webex_meetings:39.8.4:*:*:*:*:*:*:*39.8.4VulnerableCisco
cpe:2.3:a:cisco:webex_meetings:39.9:*:*:*:*:*:*:*39.9VulnerableCisco
cpe:2.3:a:cisco:webex_meetings:39.9.1:*:*:*:*:*:*:*39.9.1VulnerableCisco
  • cpe:2.3:a:cisco:webex_meetings:39.6:*:*:*:*:*:*:* Versions 39.6 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:webex_meetings:39.7:*:*:*:*:*:*:* Versions 39.7 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:webex_meetings:39.7.4:*:*:*:*:*:*:* Versions 39.7.4 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:webex_meetings:39.7.7:*:*:*:*:*:*:* Versions 39.7.7 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:webex_meetings:39.8:*:*:*:*:*:*:* Versions 39.8 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:webex_meetings:39.8.2:*:*:*:*:*:*:* Versions 39.8.2 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:webex_meetings:39.8.3:*:*:*:*:*:*:* Versions 39.8.3 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:webex_meetings:39.8.4:*:*:*:*:*:*:* Versions 39.8.4 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:webex_meetings:39.9:*:*:*:*:*:*:* Versions 39.9 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:webex_meetings:39.9.1:*:*:*:*:*:*:* Versions 39.9.1 Vulnerable ·Cisco
Show 8 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:cisco:webex_meetings:39.10:*:*:*:*:*:*:*39.10VulnerableCisco
cpe:2.3:a:cisco:webex_meetings:39.11:*:*:*:*:*:*:*39.11VulnerableCisco
cpe:2.3:a:cisco:webex_meetings:40.1:*:*:*:*:*:*:*40.1VulnerableCisco
cpe:2.3:a:cisco:webex_meetings:40.2:*:*:*:*:*:*:*40.2VulnerableCisco
cpe:2.3:a:cisco:webex_meetings:40.4:*:*:*:*:*:*:*40.4VulnerableCisco
cpe:2.3:a:cisco:webex_meetings:40.4.10:*:*:*:*:*:*:*40.4.10VulnerableCisco
cpe:2.3:a:cisco:webex_meetings:40.6:*:*:*:*:*:*:*40.6VulnerableCisco
cpe:2.3:a:cisco:webex_meetings:40.6.2:*:*:*:*:*:*:*40.6.2VulnerableCisco
  • cpe:2.3:a:cisco:webex_meetings:39.10:*:*:*:*:*:*:* Versions 39.10 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:webex_meetings:39.11:*:*:*:*:*:*:* Versions 39.11 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:webex_meetings:40.1:*:*:*:*:*:*:* Versions 40.1 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:webex_meetings:40.2:*:*:*:*:*:*:* Versions 40.2 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:webex_meetings:40.4:*:*:*:*:*:*:* Versions 40.4 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:webex_meetings:40.4.10:*:*:*:*:*:*:* Versions 40.4.10 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:webex_meetings:40.6:*:*:*:*:*:*:* Versions 40.6 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:webex_meetings:40.6.2:*:*:*:*:*:*:* Versions 40.6.2 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-1410
  2. 2026-10-03 Alias added: GHSA-j5h7-5c44-5mjv

References

Advisory 1

  • TI-2019-01300 Cisco Webex Meetings Desktop App and Cisco Webex Productivity Tools Update Service Command Injection Vulnerability CVSS 3.0HIGH 8.8
  • TI-2018-00079 Improper input validation in Cisco WebEx Advanced Recording Format Player CVSS 3.0CRITICAL 9.6
  • TI-2018-00224 Improper input validation in Cisco WebEx Advanced Recording Format file players 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-2020-02894 Cisco Webex Meetings Desktop App for Mac Update Feature Code Execution Vulnerability CVSS 3.1HIGH 8.8
  • TI-2017-09144 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players CVSS 3.0CRITICAL 9.6
See all 68 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences