CVE-2022-20688

CWE-125 — Out-of-bounds ReadCWE-1284CWE-120 — Classic Buffer OverflowCWE-130CWE-400 — Uncontrolled Resource ConsumptionCWE-20 — Improper Input Validation4 documents4 sources
Severity
5.3MEDIUM
EPSS
0.7%
top 28.67%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Cisco ATA 191 FirmwareCisco ATA 192 FirmwareCisco Cisco Analog Telephone Adaptor (ata) Software
Timeline
PublishedDec 12

Description

A vulnerability in the Cisco Discovery Protocol functionality of Cisco ATA 190 Series Analog Telephone Adapter firmware could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device and cause Cisco Discovery Protocol service to restart. This vulnerability is due to missing length validation of certain Cisco Discovery Protocol packet header fields. An attacker could exploit these vulnerabilities by sending a malicious Cisco Discovery Protocol packet to an affecte…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 3.9 | Impact: 1.4

Affected Packages3 packages

▶NVDcisco/ata_191_firmware< 11.2.2+2

🔴Vulnerability Details

2
GHSA
GHSA-5jj8-q8mr-r2vw: A vulnerability in the Cisco Discovery Protocol functionality of Cisco ATA 190 Series Analog Telephone Adapter firmware could allow an unauthenticated↗2022-12-12
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CVEList
CVE-2022-20688: A vulnerability in the Cisco Discovery Protocol functionality of Cisco ATA 190 Series Analog Telephone Adapter firmware could allow an unauthenticated↗2022-12-07
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📋Vendor Advisories

1
Cisco
Cisco ATA 190 Series Analog Telephone Adapter Software Vulnerabilities↗2022-10-05
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CVE-2022-20688 (MEDIUM CVSS 5.3) | A vulnerability in the Cisco Discov | cvebase.io