CVE-2021-1410

mediumpriority · track · 0EPSS 0.008 · 57 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.83% (57th) EPSS

CVSS 4.3 · medium

Is it mine?

38 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cisco_csaf

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedCisco Webex Meetingscisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.3mediumAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/RL:X/RC:X/E:Xsecondary · ENISA EU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nsecondary · psirt@cisco.com USexploitability 2.8 · impact 1.4

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nsecondary · Cisco PSIRT US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USCWE-284US

affected products (38)

Products and version ranges known to be affected.

Cisco Cisco Webex Meetingsall versionscisco_csafUS
Cisco Cisco Webex Meetings≤ 39.9.1enisa_euvdEU
Cisco Cisco Webex Meetings≤ 39.7enisa_euvdEU
Cisco Cisco Webex Meetings≤ 40.2enisa_euvdEU
Cisco Cisco Webex Meetings≤ 40.6enisa_euvdEU
Cisco Cisco Webex Meetings≤ 39.8.4enisa_euvdEU
Cisco Cisco Webex Meetings≤ 39.8.3enisa_euvdEU
Cisco Cisco Webex Meetings≤ 39.10enisa_euvdEU
Cisco Cisco Webex Meetings≤ 40.4.10enisa_euvdEU
Cisco Cisco Webex Meetings≤ 40.6.2enisa_euvdEU
Cisco Cisco Webex Meetings≤ 40.4enisa_euvdEU
Cisco Cisco Webex Meetings≤ 39.9enisa_euvdEU
Cisco Cisco Webex Meetings≤ 39.8enisa_euvdEU
Cisco Cisco Webex Meetings≤ 39.7.7enisa_euvdEU
Cisco Cisco Webex Meetings≤ 40.1enisa_euvdEU
Cisco Cisco Webex Meetings≤ 39.6enisa_euvdEU
Cisco Cisco Webex Meetings≤ 39.8.2enisa_euvdEU
Cisco Cisco Webex Meetings≤ 39.11enisa_euvdEU
Cisco Cisco Webex Meetings≤ 39.7.4enisa_euvdEU
Cisco Systems Inc. Cisco Webex Meetings≤ 41.2.0fstec_bduRU

showing 20 of 38

advisories (1)

Vendor and ecosystem advisories describing this.

cisco-sa-webex-distupd-N87eB6Z3Cisco Webex Meetings Unauthorized Distribution List Update Vulnerability2021-03-03csaf · cisco_csafUS
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.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisco_csaf NVD CVE.org MITRE

published 2024-11-18modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

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