Cisco Identity Services Engine File Download Vulnerability

published 2021-10-21 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-27310

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits: 0; none known

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker with administrative read-only privileges to download files that should be restricted. This vulnerability is due to incorrect permissions settings on an affected device. An attacker could exploit this vulnerability by sending a crafted HTTP request to the device. A successful exploit could allow the attacker to download files that should be restricted.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-11-07)

Exploit prediction

0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

Cisco Cisco Identity Services Engine Software

Classification

Weakness

CWE-266 Incorrect Privilege Assignment
CWE-276 Incorrect Default Permissions

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-file-download-B3BR5KQA
vendor-advisory

Sources

CVE List CVE-2021-40123
NVD CVE-2021-40123

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Summary