CVE-2023-20272

highpriority · track · 35EPSS 0.009 · 59 %ileDEEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.89% (59th) EPSS
CVSS 8.8 · high
Is it mine?
17 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · fstec_bdu · cisco_csaf

EPSS · scored 2026-10-26

A vulnerability in the web-based management interface of Cisco Identity Services Engine could allow an authenticated, remote attacker to upload malicious files to the web root of the application. This vulnerability is due to insufficient file input validation. An attacker could exploit this vulnerability by uploading a malicious file to the web interface. A successful exploit could allow the attacker to replace files and gain access to sensitive server-side information.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

02

cvss

Technical severity, 0–10. One row per scoring source.

8.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.7–8.8

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9
v3.16.7mediumAV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Lsecondary · FSTEC (BDU) RU
v3.16.7mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Lsecondary · ENISA EU
v3.16.7mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Lsecondary · psirt@cisco.com USexploitability 1.2 · impact 5.5
v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.16.7mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Lsecondary · Cisco PSIRT US
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USCWE-424US
04

affected products (17)

Products and version ranges known to be affected.

05

advisories (2)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2023-2939Cisco Identity Services Engine (ISE): Mehrere SchwachstellenDeutsch2023-11-15csaf · cert_bundDE

    Ein entfernter authentifizierter Angreifer kann mehrere Schwachstellen in der Cisco Identity Services Engine (ISE) ausnutzen, um einen Cross-Site-Scripting-Angriff zu starten, Dateien zu manipulieren oder vertrauliche Informationen offenzulegen.

  • cisco-sa-ise-mult-j-KxpNynRCisco Identity Services Engine Vulnerabilities2023-11-15csaf · cisco_csafUS

    Multiple vulnerabilities in Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to upload malicious files to the web root of the application or conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. To exploit these vulnerabilities, an attacker must have valid credentials on an affected device. For more information about these vulnerabilities, see the Details ["#details"] section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-endpoint-dos-RzOgFKnd ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-mult-j-KxpNynR"]

06

also known as (4)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducisco_csafnvdcert_bundNVDCVE.orgMITRE
published 2023-11-21modified 2026-06-17
08

references (4)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan