CVE-2021-31928Network attack vector

Authenticated superadministrator escalation via undisclosed mechanism

Published Jun 10, 2021 · Updated Aug 3, 2024

Privilege escalation in Annex Cloud Loyalty Experience Platform before 2021.1.0.1 allows remote authenticated users to become superadministrators. Annex Cloud has not published the affected request, authorization check, or account operation that permits the role change. Any valid account is sufficient, and successful exploitation grants the platform's superadministrator role; further capabilities are not publicly documented.

CVSS severity8.8
High
EPSS probability1.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Privilege escalation in Annex Cloud Loyalty Experience Platform before 2021.1.0.1 allows remote authenticated users to become superadministrators. Annex Cloud has not published the affected request, authorization check, or account operation that permits the role change. Any valid account is sufficient, and successful exploitation grants the platform's superadministrator role; further capabilities are not publicly documented.

The record

CVE
CVE-2021-31928
Published
Jun 10, 2021
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1098.003
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 10, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.0NIST NVDAV:N/AC:L/Au:S/C:C/I:C/A:C
8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1098.003Account Manipulation: Additional Cloud Roles

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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