How severe is CVE-2024-20461?

CVE-2024-20461 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2024-20461 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-20461?

CVE-2024-20461 primarily affects Cisco Ata 191 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-20461?

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

Does CVE-2024-20461 have an EU (EUVD) identifier?

Yes. CVE-2024-20461 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18176.

When was CVE-2024-20461 published?

CVE-2024-20461 was published on 2024-10-16 and last updated on 2026-06-17.

CVE-2024-20461

CVE-2024-20461 is a medium-severity vulnerability in Cisco Ata 191 Firmware with a CVSS 3.x base score of 6.0. 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-78.

Key facts

Severity: Medium (CVSS 3.x base score 6.0)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-18176
Weakness: CWE-78
Affected product: Cisco Ata 191 Firmware
Published: 2024-10-16
Last modified: 2026-06-17

Description

A vulnerability in the CLI of Cisco ATA 190 Series Analog Telephone Adapter firmware could allow an authenticated, local attacker with high privileges to execute arbitrary commands as the root user. This vulnerability exists because CLI input is not properly sanitized. An attacker could exploit this vulnerability by sending malicious characters to the CLI. A successful exploit could allow the attacker to read and write to the underlying operating system as the root user.

Frequently asked questions

What is CVE-2024-20461?: A vulnerability in the CLI of Cisco ATA 190 Series Analog Telephone Adapter firmware could allow an authenticated, local attacker with high privileges to execute arbitrary commands as the root user. This vulnerability exists because CLI input is not properly sanitized. An attacker could exploit this vulnerability by sending malicious characters to the CLI. A successful exploit could allow the attacker to read and write to the underlying operating system as the root user.
How severe is CVE-2024-20461?: CVE-2024-20461 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2024-20461 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-20461?: CVE-2024-20461 primarily affects Cisco Ata 191 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-20461?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-20461 have an EU (EUVD) identifier?: Yes. CVE-2024-20461 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18176.
When was CVE-2024-20461 published?: CVE-2024-20461 was published on 2024-10-16 and last updated on 2026-06-17.

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ata19x-multi-RDTEqRsy

Affected products (2)

cpe:2.3:o:cisco:ata_191_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ata_192_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Cisco Ata 191 Firmware

CVE-2021-34735 — High (CVSS 8.8): Multiple vulnerabilities in the Cisco ATA 190 Series Analog Telephone Adapter Software could allow an attacker to…
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