CVE-2023-49583Network attack vector

Unauthenticated escalation to arbitrary application permissions

Published Dec 12, 2023 · Updated Feb 25, 2026

Privilege escalation in SAP @sap/xssec before 3.6.0 allows remote attackers to obtain arbitrary permissions within an application. SAP has not published the affected method or the validation error that lets an untrusted request acquire those permissions. Exploitation requires no prior authentication or user interaction and grants read or write access governed by the application's permissions; no service interruption is reported.

CVSS severity9.1
Critical
EPSS probability1.08%
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 SAP @sap/xssec before 3.6.0 allows remote attackers to obtain arbitrary permissions within an application. SAP has not published the affected method or the validation error that lets an untrusted request acquire those permissions. Exploitation requires no prior authentication or user interaction and grants read or write access governed by the application's permissions; no service interruption is reported.

The record

CVE
CVE-2023-49583
Published
Dec 12, 2023
Updated
Feb 25, 2026
Vendor
SAP SE
Product
@sap/xssec
Classifications
CWE-749
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 12, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 25, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=< 3.6.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

SAP SE · @sap/xssecversion=< 3.6.0

Published CVSS scores

9.1SAP SECVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-749Exposed Dangerous Method or Function

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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