CVE-2023-20263Network attack vector

Open redirect via unvalidated HTTP parameters

Published Sep 6, 2023 · Updated Nov 21, 2024

Open redirect in Cisco HyperFlex HX Data Platform allows remote attackers to send users to malicious sites through crafted links. The web management interface accepts attacker-controlled HTTP request parameters without adequate validation and uses them to choose a redirect destination. Remote attackers must persuade a user to follow the crafted link; the direct consequence is navigation to an attacker-chosen website.

CVSS severity4.7
Medium
EPSS probability0.58%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Open redirect in Cisco HyperFlex HX Data Platform allows remote attackers to send users to malicious sites through crafted links. The web management interface accepts attacker-controlled HTTP request parameters without adequate validation and uses them to choose a redirect destination. Remote attackers must persuade a user to follow the crafted link; the direct consequence is navigation to an attacker-chosen website.

The record

CVE
CVE-2023-20263
Published
Sep 6, 2023
Updated
Nov 21, 2024
Vendor
ClamAV
Product
Cisco HyperFlex HX Data Platform
Classifications
CWE-601, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 6, 2023CVE publishedPublication date reported by the CVE source.
  2. Nov 21, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.0(1a)
  2. Affected versionversion=4.0(1b)
  3. Affected versionversion=4.0(2a)
  4. Affected versionversion=4.0(2b)
  5. Affected versionversion=4.0(2c)
  6. Affected versionversion=4.0(2d)
  7. Affected versionversion=4.0(2e)
  8. Affected versionversion=4.0(2f)
  9. Affected versionversion=4.5(1a)
  10. Affected versionversion=4.5(2a)
  11. Affected versionversion=4.5(2b)
  12. Affected versionversion=4.5(2c)
  13. Affected versionversion=4.5(2d)
  14. Affected versionversion=4.5(2e)
  15. Affected versionversion=5.0(1a)
  16. Affected versionversion=5.0(1b)
  17. Affected versionversion=5.0(1c)
  18. Affected versionversion=5.0(2a)
  19. Affected versionversion=5.0(2b)

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ClamAV · Cisco HyperFlex HX Data Platformversion=4.0(1a); version=4.0(1b); version=4.0(2a); version=4.0(2b); version=4.0(2c); version=4.0(2d); version=4.0(2e); version=4.0(2f); version=4.5(1a); version=4.5(2a); version=4.5(2b); version=4.5(2c); version=4.5(2d); version=4.5(2e); version=5.0(1a); version=5.0(1b); version=5.0(1c); version=5.0(2a); version=5.0(2b)

Published CVSS scores

4.7CiscoCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N/E:X/RL:X/RC:X

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-601URL Redirection to Untrusted Site ('Open Redirect')
T1204.001User Execution: Malicious Link

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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