CVE-2024-47945
The devices are vulnerable to session hijacking due to insufficient entropy in its session ID generation algorithm.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.87% probability · 57th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-340, CWE-331
- Affected
- rittal/iot interface firmware · rittal/cmc iii processing units firmware
- Source
- 551230f0-3615-47bd-b7cc-93e92e730bbf
References
- https://r.sec-consult.com/rittaliotExploit, Third Party Advisory
- https://www.rittal.com/de-de/products/deep/3124300Product
- http://seclists.org/fulldisclosure/2024/Oct/4
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.