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CVE-2024-47945

Oct. 21, 2024, 7:41 p.m.

CVSS Score

9.8 / 10

Products Impacted

Vendor Product Versions
rittal
  • iot_interface_firmware
  • iot_interface
  • cmc_iii_processing_units_firmware
  • cmc_iii_processing_units
  • *
  • -
  • *
  • -

Description

The devices are vulnerable to session hijacking due to insufficient entropy in its session ID generation algorithm. The session IDs are predictable, with only 32,768 possible values per user, which allows attackers to pre-generate valid session IDs, leading to unauthorized access to user sessions. This is not only due to the use of an (insecure) rand() function call but also because of missing initialization via srand(). As a result only the PIDs are effectively used as seed.

Weaknesses

CWE-331
Insufficient Entropy

The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.

CWE ID: 331
CWE-340
Generation of Predictable Numbers or Identifiers

The product uses a scheme that generates numbers or identifiers that are more predictable than required.

CWE ID: 340

Date

Published: Oct. 15, 2024, 10:15 a.m.

Last Modified: Oct. 21, 2024, 7:41 p.m.

Status : Analyzed

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

551230f0-3615-47bd-b7cc-93e92e730bbf

CPEs

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
o rittal iot_interface_firmware / / / / / / / /
h rittal iot_interface - / / / / / / /
o rittal cmc_iii_processing_units_firmware / / / / / / / /
h rittal cmc_iii_processing_units - / / / / / / /

CVSS Data

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score
9.8
Exploitability Score
3.9
Impact Score
5.9
Base Severity
CRITICAL
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

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

References

https://r.sec-consult.com/ 551230f0-3615-47bd-b7cc-93e92e730bbf

https://www.rittal.com/ 551230f0-3615-47bd-b7cc-93e92e730bbf