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CVE-2023-45321· NVD / CVE Program· CNA bosch

The Android Client application, when enrolled with the define method 1 (the user manually inserts the server ip address), use HTTP protocol

The Android Client application, when enrolled with the define method 1 (the user manually inserts the server ip address), use HTTP protocol to retrieve sensitive information (ip address and credentials to connect to a remote MQTT broker entity) instead of HTTPS and this feature is not configurable by the user. Due to the lack of encryption of HTTP,this issue allows an attacker placed in the same subnet network of the HMI device to intercept username and password necessary to authenticate to the MQTT server responsible to implement the remote management protocol.

HighCVSS 8.8 · v3.1—No exploit No fix recorded

Noroxi analysis

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Published
Oct 25, 2023
Updated
Jun 17, 2026
EPSS
0.1% · 2th percentile
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Report tools

JSON

Action score

35

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.1%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
8.8
CNA · bosch
8.3
0.5 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
boschrexrothctrlx hmi web panel wr2107 firmware
boschrexrothctrlx hmi web panel wr2107
boschrexrothctrlx hmi web panel wr2110 firmware
boschrexrothctrlx hmi web panel wr2110
boschrexrothctrlx hmi web panel wr2115 firmware
boschrexrothctrlx hmi web panel wr2115

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • boschrexroth ctrlx hmi web panel wr2107 firmwareall versions
  • boschrexroth ctrlx hmi web panel wr2110 firmwareall versions
  • boschrexroth ctrlx hmi web panel wr2115 firmwareall versions

Versions reported by the vendor

Affected version ranges reported by the assigning authority (bosch). Independent of NVD's CPE analysis and usually ahead of it.

  • Bosch Rexroth AG ctrlX HMI Web Panel - WR21 (WR2107)

    • allaffected

  • Bosch Rexroth AG ctrlX HMI Web Panel - WR21 (WR2110)

    • allaffected

  • Bosch Rexroth AG ctrlX HMI Web Panel - WR21 (WR2115)

    • allaffected

Same product

boschrexroth: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-46102The Android Client application, when enrolled to the AppHub server, connects to an MQTT broker to exchange messages and receive commands to
    35Monitor
  • CVE-2023-45851The Android Client application, when enrolled to the AppHub server,connects to an MQTT broker without enforcing any server authentication.
    35Monitor
  • CVE-2023-45220The Android Client application, when enrolled with the define method 1(the user manually inserts the server ip address), use HTTP protocol t
    35Monitor
  • CVE-2023-41255The vulnerability allows an unprivileged user with access to the subnet of the TPC-110W device to gain a root shell on the device itself abu
    35Monitor
  • CVE-2023-43488The vulnerability allows a low privileged (untrusted) application to modify a critical system property that should be denied, in order to e
    31Monitor
  • CVE-2023-41372The vulnerability allows an unprivileged (untrusted) third- party application to arbitrary modify the server settings of the Android Client
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone on the same network segment can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Adjacent
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-319 · Cleartext Transmission of Sensitive Information

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records