How severe is CVE-2020-3412?

CVE-2020-3412 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2020-3412 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3412?

CVE-2020-3412 affects Cisco Webex Meetings Online. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-3412?

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

When was CVE-2020-3412 published?

CVE-2020-3412 was published on 2020-08-17 and last updated on 2026-06-17.

CVE-2020-3412

CVE-2020-3412 is a medium-severity vulnerability in Cisco Webex Meetings Online with a CVSS 3.x base score of 4.3. 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 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (49th 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 scheduled meeting template feature of Cisco Webex Meetings could allow an authenticated, remote attacker to create a scheduled meeting template that would belong to another user in their organization. The vulnerability is due to insufficient authorization enforcement for the creation of scheduled meeting templates. An attacker could exploit this vulnerability by sending a crafted request to the Webex Meetings interface to create a scheduled meeting template. A successful exploit could allow the attacker to create a scheduled meeting template that would belong to a user other than themselves.

Frequently asked questions

What is CVE-2020-3412?: A vulnerability in the scheduled meeting template feature of Cisco Webex Meetings could allow an authenticated, remote attacker to create a scheduled meeting template that would belong to another user in their organization. The vulnerability is due to insufficient authorization enforcement for the creation of scheduled meeting templates. An attacker could exploit this vulnerability by sending a crafted request to the Webex Meetings interface to create a scheduled meeting template. A successful exploit could allow the attacker to create a scheduled meeting template that would belong to a user other than themselves.
How severe is CVE-2020-3412?: CVE-2020-3412 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2020-3412 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3412?: CVE-2020-3412 affects Cisco Webex Meetings Online. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-3412?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-3412 published?: CVE-2020-3412 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-smtcreate-YmuD5Sk

Affected products (1)

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

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