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CVE-2021-34735

HIGHCVSS 7.5/10EPSS 1.88%

Last modified

CVE-2021-34735 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Multiple vulnerabilities in the Cisco ATA 190 Series Analog Telephone Adapter Software could allow an attacker to perform a command injection attack resulting in remote code execution or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.. EPSS estimates a 1.88% chance of exploitation in the next 30 days.

Description

Multiple vulnerabilities in the Cisco ATA 190 Series Analog Telephone Adapter Software could allow an attacker to perform a command injection attack resulting in remote code execution or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
1.88%

76.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoAta 190 FirmwareAll versions
CiscoAta 191 FirmwareAll versions
CiscoAta 192 FirmwareAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-34735?
Multiple vulnerabilities in the Cisco ATA 190 Series Analog Telephone Adapter Software could allow an attacker to perform a command injection attack resulting in remote code execution or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
How severe is CVE-2021-34735?
CVE-2021-34735 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.88% probability of exploitation in the next 30 days.
How do I fix CVE-2021-34735?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-34735?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST