CVE-2023-48256

Session response manipulation via unneutralized CRLF sequences

Published Jan 10, 2024 · Updated Jun 17, 2025

HTTP response splitting in Bosch Rexroth NEXO Cordless Nutrunner V1000-Release through V1500-SP2 allows remote attackers to alter HTTP responses. The web interface incorporates CRLF-bearing URL or request data into response headers or bodies without neutralization; Bosch does not name the handler. A victim must process the crafted input within a session, enabling response-header injection or response-body manipulation without reported server-side code execution.

CVSS severity5.3
Medium
EPSS probability0.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

HTTP response splitting in Bosch Rexroth NEXO Cordless Nutrunner V1000-Release through V1500-SP2 allows remote attackers to alter HTTP responses. The web interface incorporates CRLF-bearing URL or request data into response headers or bodies without neutralization; Bosch does not name the handler. A victim must process the crafted input within a session, enabling response-header injection or response-body manipulation without reported server-side code execution.

The record

CVE
CVE-2023-48256
Published
Jan 10, 2024
Updated
Jun 17, 2025
Vendor
Bosch Rexroth AG
Product
NEXO Cordless Nutrunner
Classifications
CWE-113, T1565.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 10, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 17, 2025Record 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=NEXO-OS V1000-Release <=NEXO-OS V1500-SP2

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Bosch Rexroth AG · NEXO Cordless Nutrunnerversion=NEXO-OS V1000-Release <=NEXO-OS V1500-SP2

Published CVSS scores

5.3Bosch PSIRTCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
6.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

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)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-113Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
T1565.002Transmitted Data Manipulation

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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