How severe is CVE-2020-3472?

CVE-2020-3472 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-3472 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3472?

CVE-2020-3472 affects Cisco Webex Meetings Online. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-3472?

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

When was CVE-2020-3472 published?

CVE-2020-3472 was published on 2020-08-17 and last updated on 2026-06-17.

CVE-2020-3472

CVE-2020-3472 is a medium-severity vulnerability in Cisco Webex Meetings Online with a CVSS 3.x base score of 5.0. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
CVSS v2: 4.0
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Cisco Webex Meetings Online
Published: 2020-08-17
Last modified: 2026-06-17

Description

A vulnerability in the contacts feature of Cisco Webex Meetings could allow an authenticated, remote attacker with a legitimate user account to access sensitive information. The vulnerability is due to improper access restrictions on users who are added within user contacts. An attacker on one Webex Meetings site could exploit this vulnerability by sending specially crafted requests to the Webex Meetings site. A successful exploit could allow the attacker to view the details of users on another Webex site, including user names and email addresses.

Frequently asked questions

What is CVE-2020-3472?: A vulnerability in the contacts feature of Cisco Webex Meetings could allow an authenticated, remote attacker with a legitimate user account to access sensitive information. The vulnerability is due to improper access restrictions on users who are added within user contacts. An attacker on one Webex Meetings site could exploit this vulnerability by sending specially crafted requests to the Webex Meetings site. A successful exploit could allow the attacker to view the details of users on another Webex site, including user names and email addresses.
How severe is CVE-2020-3472?: CVE-2020-3472 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-3472 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3472?: CVE-2020-3472 affects Cisco Webex Meetings Online. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-3472?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-3472 published?: CVE-2020-3472 was published on 2020-08-17 and last updated on 2026-06-17.

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-mAkmV4qc

Affected products (1)

cpe:2.3:a:cisco:webex_meetings_online:*:*:*:*:*:*:*:*

More vulnerabilities in Cisco Webex Meetings Online

CVE-2018-0287 — High (CVSS 8.8): A vulnerability in the Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) files could allow an…
CVE-2021-1502 — High (CVSS 7.8): A vulnerability in Cisco Webex Network Recording Player for Windows and MacOS and Cisco Webex Player for Windows and…
CVE-2019-15287 — High (CVSS 7.8): Multiple vulnerabilities in Cisco Webex Network Recording Player for Microsoft Windows and Cisco Webex Player for…
CVE-2019-15285 — High (CVSS 7.8): Multiple vulnerabilities in Cisco Webex Network Recording Player for Microsoft Windows and Cisco Webex Player for…
CVE-2019-15283 — High (CVSS 7.8): Multiple vulnerabilities in Cisco Webex Network Recording Player for Microsoft Windows and Cisco Webex Player for…
CVE-2020-3194 — High (CVSS 7.8): A vulnerability in Cisco Webex Network Recording Player for Microsoft Windows and Cisco Webex Player for Microsoft…

All CVEs affecting Cisco Webex Meetings Online →

Other CWE-863 (Incorrect Authorization) vulnerabilities

CVE-2026-48286 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9396 and earlier are affected by an Incorrect Authorization…
CVE-2026-48303 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization…
CVE-2026-44330 — Critical (CVSS 10.0): free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the…
CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-863 (Incorrect Authorization) vulnerabilities →