Security readout for executives and security teams
Plain-English summary
This is a limited integrity issue in Cisco Webex Meetings for Android. An authenticated participant in the same meeting could change another participant's avatar. The business impact is mainly impersonation confusion, reputational disruption, and trust erosion during meetings, not data theft or service outage.
Executive priority
Handle through normal mobile application patch management, with higher priority for executives, public-facing teams, regulated meetings, and environments where identity trust during meetings is important.
Technical view
CVE-2021-1467 is an improper authorization issue affecting Cisco Webex Meetings for Android. The CVSS 3.1 score is 4.3, with network attack vector, low complexity, low privileges, no user interaction, unchanged scope, and low integrity impact only. Affected versions are not specified in the bundle.
Likely exposure
Exposure is limited to organizations with Cisco Webex Meetings for Android users. The attacker must be authenticated and participate in the same meeting as the target. The source bundle does not identify exact affected versions, deployment scale, or fixed builds.
Exploitation context
The sources describe a remote authenticated attack path, but do not cite public exploitation. CISA KEV status is false in the bundle. Treat this as a low-to-moderate operational risk where brand, identity, or meeting trust matters.
Researcher notes
The issue maps to CWE-284 and is authorization-related. The described impact is limited to modifying another user's avatar, with no confidentiality or availability impact in the CVSS vector. The bundle lacks affected version and fix detail.
Mitigation direction
- Review Cisco's advisory for fixed Android app versions and upgrade guidance.
- Inventory Cisco Webex Meetings for Android installations across managed and BYOD devices.
- Enforce mobile app updates through MDM or approved app stores where possible.
- Advise users to report unexpected avatar or profile changes during meetings.
Validation and detection
- Confirm whether Cisco Webex Meetings for Android is present in the environment.
- Check installed Android app versions against Cisco's advisory once reviewed.
- Review MDM compliance data for outdated Webex Android clients.
- Monitor user reports or support tickets involving unexpected avatar changes.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2021-1467 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20210407 Cisco Webex Meetings for Android Avatar Modification VulnerabilityCVE reference · vendor-advisory, x_refsource_CISCO
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.