How severe is CVE-2022-20806?

CVE-2022-20806 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 low, integrity none, and availability none.

Is CVE-2022-20806 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-20806?

CVE-2022-20806 affects Cisco Telepresence Video Communication Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-20806?

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

When was CVE-2022-20806 published?

CVE-2022-20806 was published on 2022-05-27 and last updated on 2026-06-17.

CVE-2022-20806

CVE-2022-20806 is a medium-severity vulnerability in Cisco Telepresence Video Communication Server 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-532.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 5.5
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-532
Affected product: Cisco Telepresence Video Communication Server
Published: 2022-05-27
Last modified: 2026-06-17

Description

Multiple vulnerabilities in the API and web-based management interfaces of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to write files or disclose sensitive information on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Frequently asked questions

What is CVE-2022-20806?: Multiple vulnerabilities in the API and web-based management interfaces of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to write files or disclose sensitive information on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
How severe is CVE-2022-20806?: CVE-2022-20806 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 low, integrity none, and availability none.
Is CVE-2022-20806 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-20806?: CVE-2022-20806 affects Cisco Telepresence Video Communication Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-20806?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-20806 published?: CVE-2022-20806 was published on 2022-05-27 and last updated on 2026-06-17.

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-filewrite-bsFVwueV

Affected products (1)

cpe:2.3:a:cisco:telepresence_video_communication_server:*:*:*:*:expressway:*:*:*

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