CVE & CISA-KEV Catalog

CVE-2021-1258

MEDIUM
5.5
CVSS v3
NVD

Description

A vulnerability in the upgrade component of Cisco AnyConnect Secure Mobility Client could allow an authenticated, local attacker with low privileges to read arbitrary files on the underlying operating system (OS) of an affected device. The vulnerability is due to insufficient file permission restrictions. An attacker could exploit this vulnerability by sending a crafted command from the local CLI to the application. A successful exploit could allow the attacker to read arbitrary files on the underlying OS of the affected device. The attacker would need to have valid user credentials to exploit this vulnerability.

How to fix

Remediation Available
agent epolicy orchestrator extensionNVD
Affected:< 5.7.6Fixed in:5.7.6CVE-2021-1258derived from NVD
anyconnect secure mobility clientNVD
Affected:< 4.9.03047Fixed in:4.9.03047CVE-2021-1258derived from NVD
Affected:< 4.9.03049Fixed in:4.9.03049CVE-2021-1258derived 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

0.34%probability of exploitation in 30 days
26thpercentile

Low risk: more likely to be exploited than 26% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory1

Related Vulnerabilities

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2012-1456Medium4.3100%--
CVE-2012-1459Medium4.3100%-Fix
CVE-2012-1446Medium4.3100%--
CVE-2012-1443Medium4.3100%--
CVE-2012-1442Medium4.399%--
CVE-2012-1457Medium4.398%-Fix
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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.