How severe is CVE-2021-1532?

CVE-2021-1532 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-1532 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-1532?

CVE-2021-1532 primarily affects Cisco Telepresence Collaboration Endpoint. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-1532?

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

When was CVE-2021-1532 published?

CVE-2021-1532 was published on 2021-05-06 and last updated on 2026-06-17.

CVE-2021-1532

CVE-2021-1532 is a medium-severity vulnerability in Cisco Telepresence Collaboration Endpoint with a CVSS 3.x base score of 6.5. 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Cisco Telepresence Collaboration Endpoint
Published: 2021-05-06
Last modified: 2026-06-17

Description

A vulnerability in the video endpoint API (xAPI) of Cisco TelePresence Collaboration Endpoint (CE) Software and Cisco RoomOS Software could allow an authenticated, remote attacker to read arbitrary files from the underlying operating system. This vulnerability is due to insufficient path validation of command arguments. An attacker could exploit this vulnerability by sending a crafted command request to the xAPI. A successful exploit could allow the attacker to read the contents of any file that is located on the device filesystem.

Frequently asked questions

What is CVE-2021-1532?: A vulnerability in the video endpoint API (xAPI) of Cisco TelePresence Collaboration Endpoint (CE) Software and Cisco RoomOS Software could allow an authenticated, remote attacker to read arbitrary files from the underlying operating system. This vulnerability is due to insufficient path validation of command arguments. An attacker could exploit this vulnerability by sending a crafted command request to the xAPI. A successful exploit could allow the attacker to read the contents of any file that is located on the device filesystem.
How severe is CVE-2021-1532?: CVE-2021-1532 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-1532 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-1532?: CVE-2021-1532 primarily affects Cisco Telepresence Collaboration Endpoint. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-1532?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-1532 published?: CVE-2021-1532 was published on 2021-05-06 and last updated on 2026-06-17.

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-tp-rmos-fileread-pE9sL3g

Affected products (2)

cpe:2.3:a:cisco:telepresence_collaboration_endpoint:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:roomos:*:*:*:*:*:*:*:*

More vulnerabilities in Cisco Telepresence Collaboration Endpoint

CVE-2019-15288 — High (CVSS 8.8): A vulnerability in the CLI of Cisco TelePresence Collaboration Endpoint (CE), Cisco TelePresence Codec (TC), and Cisco…
CVE-2022-20783 — High (CVSS 7.5): A vulnerability in the packet processing functionality of Cisco TelePresence Collaboration Endpoint (CE) Software and…
CVE-2019-15289 — High (CVSS 7.5): Multiple vulnerabilities in the video service of Cisco TelePresence Collaboration Endpoint (CE) and Cisco RoomOS…
CVE-2020-3336 — High (CVSS 7.2): A vulnerability in the software upgrade process of Cisco TelePresence Collaboration Endpoint Software and Cisco RoomOS…
CVE-2022-20793 — Medium (CVSS 6.8): A vulnerability in pairing process of Cisco TelePresence CE Software and RoomOS Software for Cisco Touch 10…
CVE-2023-20090 — Medium (CVSS 6.7): A vulnerability in Cisco TelePresence CE and RoomOS could allow an authenticated, local attacker to elevate privileges…

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