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01 Record

CVE-2024-20400

A vulnerability in the web-based management interface of Cisco Expressway Series could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due

MediumPUBLISHEDCNA: cisco
CNA base score4.7 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
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02 Description

A vulnerability in the web-based management interface of Cisco Expressway Series could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.37% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 31.4% of scored records. A rank, not a probability.
NVD base score
4.7 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
NVD analysis status
Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2024-07-17 16:29Z2 YR AGO
Last updated
2024-08-01 21:59Z2 YR AGO
Reserved
2023-11-08
Assigning CNA
cisco
Record state
PUBLISHED
Severity
Medium (CVSS 4.7)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Weaknesses
  • CWE-601URL Redirection to Untrusted Site ('Open Redirect')Base
Data version
5.1
Document digest
a4a205883c951edec2f403225e590e5932ae542a6e2adf59bc0164489eca9d6c

05 Affected products

VendorProductVersionsPlatforms
CiscoCisco TelePresence Video Communication Server (VCS) ExpresswayX8.5.1, X8.5.3, X8.5, X8.6.1, X8.6, X8.1.1, X8.1.2, X8.1, X8.2.1, X8.2.2, X8.2, X8.7.1, X8.7.2, X8.7.3, X8.7, X8.8.1, X8.8.2, X8.8.3, X8.8, X8.9.1, X8.9.2, X8.9, X8.10.0, X8.10.1, X8.10.2, X8.10.3, X8.10.4, X12.5.8, X12.5.9, X12.5.0, X12.5.2, X12.5.7, X12.5.3, X12.5.4, X12.5.5, X12.5.1, X12.5.6, X12.6.0, X12.6.1, X12.6.2, X12.6.3, X12.6.4, X12.7.0, X12.7.1, X8.11.1, X8.11.2, X8.11.4, X8.11.3, X8.11.0, X14.0.1, X14.0.3, X14.0.2, X14.0.4, X14.0.5, X14.0.6, X14.0.7, X14.0.8, X14.0.9, X14.0.10, X14.0.11, X14.2.1, X14.2.2, X14.2.5, X14.2.6, X14.2.0, X14.2.7, X14.3.0, X14.3.1, X14.3.2, X14.3.3, X14.3.4, X14.3.5, X15.0.0, X15.0.1—

06 References