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CVE-2024-20458

Cisco ATA 190 Series Analog Telephone Adapter Software Vulnerabilities

HIGH

8.2

CVSS Score

Published: October 16, 2024 at 04:16 PM UTC

Updated: June 17, 2026 at 07:07 AM UTC

7 products affected across 1 vendorAta 192 FirmwareAta 191 FirmwareAta 190 Firmware

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Severity

HIGH8.2

Exploit prediction

EPSS 0.7%

SSVC

No known exploit

Description

A vulnerability in the web-based management interface of Cisco ATA 190 Series Analog Telephone Adapter firmware could allow an unauthenticated, remote attacker to view or delete the configuration or change the firmware on an affected device. This vulnerability is due to a lack of authentication on specific HTTP endpoints. An attacker could exploit this vulnerability by browsing to a specific URL. A successful exploit could allow the attacker to view or delete the configuration or change the firmware.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ata 190 Firmware · Cisco

95%

11.1.0 11.1.0_msr1 11.1.0_msr2 11.1.0_msr3 11.1.0_msr4 11.2.1 11.2.2 11.2.2_msr1 11.2.3 11.2.4 12.0.1 12.0.1_sr1 12.0.1_sr2 12.0.1_sr3 12.0.1_sr4 12.0.1_sr5

Ata 191 Firmware · Cisco

95%

v < 11.2.5v < 12.0.2

Affected range stops below 11.2.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.0.2, so it looks safe — our inference, not a vendor statement

cisco-ata-191 (same device)

Ata 192 Firmware · Cisco

95%

v < 11.2.5

Affected range stops below 11.2.5, so it looks safe — our inference, not a vendor statement

cisco-ata-192 (same device)

Ata 190 · Cisco

90%

11.1.0 11.1.0_msr1 11.1.0_msr2 11.1.0_msr3 11.1.0_msr4 11.2.1 11.2.2 11.2.2_msr1 11.2.3 11.2.4 12.0.1 12.0.1_sr1 12.0.1_sr2 12.0.1_sr3 12.0.1_sr4 12.0.1_sr5

Analog Telephone Adaptor · Cisco

60%

11.1.0 11.1.0 MSR1 11.1.0 MSR2 11.1.0 MSR3 11.1.0 MSR4 11.2.1 11.2.2 11.2.2 MSR1 11.2.3 11.2.4 12.0.1 12.0.1 SR1 12.0.1 SR2 12.0.1 SR3 12.0.1 SR4 12.0.1 SR5

Ata 191 · Ciscodevice

80%

All versions

Ata 192 · Ciscodevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

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

References (1)

Vendor Advisory

Source: [email protected]

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

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.2HIGHcisco

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: HIGH
Availability: LOW

Vector?

Quick Info

StatusANALYZED

CWE

CWE-78

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