CVE-2022-20686 (GCVE-0-2022-20686)

Vulnerability from cvelistv5 – Published: 2022-12-07 16:53 – Updated: 2024-08-03 02:17
VLAI?
Summary
Multiple vulnerabilities in the Link Layer Discovery Protocol (LLDP) 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 the LLDP service to restart. These vulnerabilities are due to missing length validation of certain LLDP packet header fields. An attacker could exploit these vulnerabilities by sending a malicious LLDP packet to an affected device. A successful exploit could allow the attacker to execute code on the affected device and cause LLDP to restart unexpectedly, resulting in a denial of service (DoS) condition.
Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-130 - Improper Handling of Length Parameter Inconsistency
Assigner
References
Impacted products
Vendor Product Version
Cisco Cisco Analog Telephone Adaptor (ATA) Software Affected: 1.2.1
Affected: 1.2.2 SR1
Affected: 1.2.2
Affected: 1.2.2 SR2
Affected: 11.1.0 MSR4
Affected: 11.1.0
Affected: 11.1.0 MSR1
Affected: 11.1.0 MSR2
Affected: 11.1.0 MSR3
Affected: 1.1.0
Affected: 1.1.1
Affected: 1.1.2
Affected: 12.0.1 SR2
Affected: 12.0.1
Affected: 12.0.1 SR1
Affected: 12.0.1 SR3
Affected: 12.0.1 SR4
Affected: 11.2.1
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  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.