CVE & CISA-KEV Catalog

CVE-2021-34711

MEDIUM
5.5
CVSS v3
NVD

Description

A vulnerability in the debug shell of Cisco IP Phone software could allow an authenticated, local attacker to read any file on the device file system. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by providing crafted input to a debug shell command. A successful exploit could allow the attacker to read any file on the device file system.

How to fix

Remediation Available
ip conference phone 7832 firmwareNVD
Affected:< 14.1(1)Fixed in:14.1(1)CVE-2021-34711derived from NVD
ip conference phone 8832 firmwareNVD
Affected:< 14.1(1)Fixed in:14.1(1)CVE-2021-34711derived from NVD
ip phone 7811 firmwareNVD
Affected:< 14.1(1)Fixed in:14.1(1)CVE-2021-34711derived from NVD
ip phone 7821 firmwareNVD
Affected:< 14.1(1)Fixed in:14.1(1)CVE-2021-34711derived from NVD
ip phone 7832 firmwareNVD
Affected:< 14.1(1)Fixed in:14.1(1)CVE-2021-34711derived from NVD
ip phone 7841 firmwareNVD
Affected:< 14.1(1)Fixed in:14.1(1)CVE-2021-34711derived from NVD
ip phone 7861 firmwareNVD
Affected:< 14.1(1)Fixed in:14.1(1)CVE-2021-34711derived from NVD
ip phone 8811 firmwareNVD
Affected:< 14.1(1)Fixed in:14.1(1)CVE-2021-34711derived from NVD
ip phone 8831 firmwareNVD
Affected:< 14.1(1)Fixed in:14.1(1)CVE-2021-34711derived from NVD
ip phone 8841 firmwareNVD
Affected:< 14.1(1)Fixed in:14.1(1)CVE-2021-34711derived from NVD
ip phone 8845 firmwareNVD
Affected:< 14.1(1)Fixed in:14.1(1)CVE-2021-34711derived from NVD
ip phone 8851 firmwareNVD
Affected:< 14.1(1)Fixed in:14.1(1)CVE-2021-34711derived from NVD
ip phone 8861 firmwareNVD
Affected:< 14.1(1)Fixed in:14.1(1)CVE-2021-34711derived from NVD
ip phone 8865 firmwareNVD
Affected:< 14.1(1)Fixed in:14.1(1)CVE-2021-34711derived from NVD
ip phones 8832 firmwareNVD
Affected:< 14.1(1)Fixed in:14.1(1)CVE-2021-34711derived from NVD
wireless ip phone 8821 firmwareNVD
Affected:< 11.0(6)sr2Fixed in:11.0(6)sr2CVE-2021-34711derived 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 VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

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

Exploit Intelligence

0.26%probability of exploitation in 30 days
17thpercentile

Low risk: more likely to be exploited than 17% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-36 vulnerabilities, ordered by exploit likelihood. View all

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CVE-2024-13159Critical9.8100%KEVFix
CVE-2018-20250High7.896%KEV + Ransom-
CVE-2024-48248High8.694%KEVFix
CVE-2024-13160Critical9.890%KEVFix
CVE-2024-13161Critical9.889%KEVFix
CVE-2023-3765Critical10.071%-Fix
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CVE-2021-34711 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.