CVE-2023-34433 PiiGAB M-Bus Use of Password Hash With Insufficient Computational Effort
High 7.5
Published
Updated
Check this codebase for CVE-2023-34433 and fix it if it is affected.
What it is: CVE-2023-34433 is a high-severity vulnerability in PiiGAB M-Bus SoftwarePack, published on 6 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-34433 in the wild and no public exploit code.
Affected product: PiiGAB M-Bus SoftwarePack. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2023-34433/ (Markdown: https://insights.sbomify.com/CVE-2023-34433/index.md)
Attackers can crack weak password hashes to gain unauthorized access to PiiGAB M-Bus systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-34433?
CVE-2023-34433 is a high-severity vulnerability in PiiGAB M-Bus SoftwarePack, published on 6 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
PiiGAB M-Bus stores passwords using a weak hash algorithm.
Weakness: CWE-916
Which versions are affected by CVE-2023-34433?
It affects 1 product.
Products include Piigab M-Bus 900s Firmware.
How do I fix CVE-2023-34433?
No fix has been published for CVE-2023-34433 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-34433 being exploited?
There is no known exploitation of CVE-2023-34433 in the wild and no public exploit code.
Other vulnerabilities in PiiGAB M-Bus SoftwarePack
Sources
Also known as GHSA-9hxh-5wx3-5h84.