AsiaInfo Business Support System (BSS) Missing JWT Signature Verification

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-125298
StatePUBLISHED
Assignercisa-cg
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-10 22:18:30 UTC
Updated2026-11-10 22:18:30 UTC
DescriptionAsiaInfo Business Support System (BSS) 9.2.0 through 9.2.40 does not correctly verify cryptographic signatures for JSON Web Tokens (JWT). A remote, unauthenticated attacker could forge a well-formed JWT without a valid signature and use it to execute privileged actions. Fixed in 9.2.41.

Risk And Classification

Primary CVSS: v4.0 9.3 CRITICAL from 9119a7d8-5eab-497f-8521-727c672e3725

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-347 | CWE-347 CWE-347 Improper Verification of Cryptographic Signature

VersionSourceTypeScoreSeverityVector
4.09119a7d8-5eab-497f-8521-727c672e3725Secondary9.3CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNADECLARED9.3CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
3.19119a7d8-5eab-497f-8521-727c672e3725Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA AsiaInfo International Business Support System affected 9.2.0 9.2.41 custom Not specified
CNA AsiaInfo International Business Support System unaffected 9.2.41 Not specified
CNA AsiaInfo International Aether-menu affected 2.2.1 2.2.7 custom Not specified
CNA AsiaInfo International Aether-menu unaffected 2.2.7 Not specified

References

ReferenceSourceLinkTags
raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-313-03.json 9119a7d8-5eab-497f-8521-727c672e3725 raw.githubusercontent.com
www.asiainfo.eu/cloudbss 9119a7d8-5eab-497f-8521-727c672e3725 www.asiainfo.eu
www.cve.org/CVERecord 9119a7d8-5eab-497f-8521-727c672e3725 www.cve.org
github.com/trevorkaon/vulnerability-security-research/blob/main/advisori... 9119a7d8-5eab-497f-8521-727c672e3725 github.com
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Trevor Kaon, security researcher (ORCID 0009-0007-0562-1331) (en)

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