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CVE-2023-20179

MEDIUM
5.4
CVSS Score
Published: September 27, 2023 at 05:24 PM UTC
Updated: June 17, 2026 at 05:29 AM UTC
1 product affected across 1 vendorCisco SD-WAN vManage

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an authenticated, remote attacker to inject HTML content. This vulnerability is due to improper validation of user-supplied data in element fields. An attacker could exploit this vulnerability by submitting malicious content within requests and persuading a user to view a page that contains injected content. A successful exploit could allow the attacker to modify pages within the web-based management interface, possibly leading to further browser-based attacks against users of the application.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cisco SD-WAN vManage· Cisco
95%
v < 20.6.620.7 ≤ v < 20.1020.10.120.10.1.120.10.1.220.11.120.11.1.120.11.1.220.3.120.3.220.3.2.120.3.320.3.3.120.3.420.3.4.120.3.4.220.3.4.320.3.520.3.5.120.3.620.3.720.3.7.120.3.7.220.4.120.4.1.120.4.1.220.4.220.4.2.120.4.2.220.4.2.320.5.120.5.1.120.5.1.220.6.120.6.1.120.6.1.220.6.220.6.2.120.6.2.220.6.320.6.3.0.4520.6.3.0.4620.6.3.0.4720.6.3.120.6.3.220.6.3.320.6.3.420.6.420.6.4.0.2120.6.4.120.6.4.220.6.520.6.5.120.6.5.1.1020.6.5.1.720.6.5.1.920.6.5.220.6.5.2.420.6.5.420.6.5.520.7.120.7.1.120.7.220.8.120.9.120.9.220.9.2.120.9.2.320.9.320.9.3.0.1220.9.3.0.1620.9.3.0.1720.9.3.0.1820.9.3.120.9.3.220.9.3.2_LI_Images20.9.4
Affected range stops below 20.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 20.6.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-html-3ZKh8d6x

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-80CWE-79

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