Vulnerability Details : CVE-2021-1385

A vulnerability in the Cisco IOx application hosting environment of multiple Cisco platforms could allow an authenticated, remote attacker to conduct directory traversal attacks and read and write files on the underlying operating system or host system. This vulnerability occurs because the device does not properly validate URIs in IOx API requests. An attacker could exploit this vulnerability by sending a crafted API request that contains directory traversal character sequences to an affected device. A successful exploit could allow the attacker to read or write arbitrary files on the underlying operating system.
Published 2021-03-24 20:15:14
Updated 2022-05-12 14:35:55
Source Cisco Systems, Inc.
View at NVD,   CVE.org
Vulnerability category: Directory traversal

Exploit prediction scoring system (EPSS) score for CVE-2021-1385

Probability of exploitation activity in the next 30 days: 0.19%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 55 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-1385

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.0
 MEDIUM AV:N/AC:M/Au:S/C:P/I:P/A:P
6.8
6.4
 NIST
6.5
 MEDIUM CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
1.2
5.2
 Cisco Systems, Inc.
6.5
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
1.2
5.2
 NIST

CWE ids for CVE-2021-1385

  • The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
    Assigned by:
    • nvd@nist.gov (Primary)
    • ykramarz@cisco.com (Secondary)

References for CVE-2021-1385

Products affected by CVE-2021-1385

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