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CVE Record

CVE-2023-36815: Sealos billing system permission control defect

Sealos is a Cloud Operating System designed for managing cloud-native applications. In version 4.2.0 and prior, there is a permission flaw in the Sealos billing system, which allows users to control the recharge resource account `sealos[.] io/v1/Payment`, resulting in the ability to recharge any amount of 1 renminbi (RMB). The charging interface may expose resource information. The namespace of this custom resource would be user's control and may have permission to correct it. It is not clear whether a fix exists.

HighCVSS 7.3Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2023-36815 is a billing authorization flaw in Sealos 4.2.0 and earlier. A logged-in user may be able to manipulate the Payment custom resource and recharge an arbitrary 1 RMB amount, with possible exposure of resource information through the charging interface. The sources do not confirm a fix.

Executive priority

Treat this as a high-priority business integrity issue for affected Sealos environments. The main risk is unauthorized billing manipulation and possible resource information disclosure. Because the public sources do not confirm a fix, prioritize exposure reduction, monitoring, and vendor guidance review.

Technical view

The issue is classified as CWE-862, missing authorization. The CVE describes insufficient permission control around sealos.io/v1/Payment in user-controlled namespaces, affecting labring Sealos versions up to 4.2.0. CVSS 3.1 is 7.3 high, with network reachability, low complexity, low privileges, and high confidentiality and integrity impact.

Likely exposure

Exposure is most likely in Sealos deployments running version 4.2.0 or earlier where the billing system is enabled and normal users can interact with namespace-scoped custom resources. The source does not establish exposure for later versions or deployments without billing functionality.

Exploitation context

The provided sources do not report active exploitation, and the CVE is not marked as CISA KEV. The described abuse requires a user account or low-privileged access, and may require user interaction per the CVSS vector. Public evidence is limited to the advisory and CVE data.

Researcher notes

Evidence is narrow but specific: affected versions, resource type, CWE, and CVSS are provided. The fix status is unclear, and no exploit-in-the-wild evidence is cited. Validation should focus on RBAC, namespace scoping, billing paths, and whether affected Payment resources are user-controllable.

Mitigation direction

  • Check the Sealos advisory and vendor channels for confirmed fixed versions or workarounds.
  • Restrict who can create or modify Payment custom resources.
  • Review RBAC around billing-related resources in user-controlled namespaces.
  • Limit billing system access to trusted users until remediation is confirmed.
  • Monitor recharge activity for abnormal 1 RMB transactions.

Validation and detection

  • Inventory Sealos deployments and identify versions at or below 4.2.0.
  • Confirm whether the Sealos billing system is enabled in each deployment.
  • Review namespace permissions for sealos.io/v1 Payment resources.
  • Examine billing and recharge records for suspicious low-value transactions.
  • Check whether charging interfaces expose resource information to unauthorized users.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-862: Authorization and privilege behavior lookup

Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-36815 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.3 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.3CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N2.15.2Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.3High
CVSS 3.1 vector shape for CVE-2023-36815Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
labringsealos<= 4.2.0Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-862 · source CWE mapping

Missing Authorization

Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.