CVE & CISA-KEV Catalog

CVE-2023-20018

HIGH
8.6
CVSS v3
NVD

Description

A vulnerability in the web-based management interface of Cisco IP Phone 7800 and 8800 Series Phones could allow an unauthenticated, remote attacker to bypass authentication on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface. A successful exploit could allow the attacker to access certain parts of the web interface that would normally require authentication.

How to fix

Remediation Available
ip phone 7800 firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
ip phone 7811 firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
ip phone 7821 firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
ip phone 7832 firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
ip phone 7841 firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
ip phone 7861 firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
ip phone 8800 firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
ip phone 8811 firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
ip phone 8821-ex firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
ip phone 8821 firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
ip phone 8831 firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
ip phone 8832 firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
ip phone 8841 firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
ip phone 8845 firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
ip phone 8851 firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
ip phone 8861 firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
ip phone 8865 firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
ip phones 8832 firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
unified ip phone 8851nr firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
unified ip phone 8865nr firmwareNVD
Affected:< 14.1(1)sr2Fixed in:14.1(1)sr2CVE-2023-20018derived from NVD
wireless ip phone 8821-ex firmwareNVD
Affected:< 11.0(6)sr4Fixed in:11.0(6)sr4CVE-2023-20018derived from NVD
wireless ip phone 8821 firmwareNVD
Affected:< 11.0(6)sr4Fixed in:11.0(6)sr4CVE-2023-20018derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityLow
AvailabilityHigh

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

Exploit Intelligence

0.61%probability of exploitation in 30 days
45thpercentile

Moderate risk: more likely to be exploited than 45% of all known CVEs.

References

Vendor Advisory1

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CVE-2023-20018 severity badge

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.