CVE & CISA-KEV Catalog

CVE-2021-34700

MEDIUM
5.5
CVSS v3
NVD

Description

A vulnerability in the CLI interface of Cisco SD-WAN vManage Software could allow an authenticated, local attacker to read arbitrary files on the underlying file system of an affected system. This vulnerability exists because access to sensitive information on an affected system is not sufficiently controlled. An attacker could exploit this vulnerability by gaining unauthorized access to sensitive information on an affected system. A successful exploit could allow the attacker to create forged authentication requests and gain unauthorized access to the web UI of an affected system.

How to fix

Remediation Available
catalyst sd-wan managerNVD
Affected:>= 20.5.0, < 20.5.1Fixed in:20.5.1CVE-2021-34700derived from NVD
sd-wan vmanageNVD
Affected:< 20.4.2Fixed in:20.4.2CVE-2021-34700derived 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

0.25%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-522 vulnerabilities, ordered by exploit likelihood. View all

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CVE-2019-17662Critical9.897%--
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CVE-2021-30116Critical10.086%KEV + RansomFix
CVE-2024-44000Critical9.883%-Fix
CVE-2018-9160Critical9.877%--
CVE-2017-9248Critical9.875%KEVFix
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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.