CVE-2021-33708 Privilege escalation in Kyma
High 7.6
Published
Updated
Check this codebase for CVE-2021-33708 and fix it if it is affected.
What it is: CVE-2021-33708 is a high-severity vulnerability in SAP SE Kyma, published on 10 Aug 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-33708 in the wild and no public exploit code.
Affected product: SAP SE Kyma. 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-2021-33708/ (Markdown: https://insights.sbomify.com/CVE-2021-33708/index.md)
Authenticated users can escalate privileges in Kyma by passing arbitrary headers due to insufficient input validation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-33708?
CVE-2021-33708 is a high-severity vulnerability in SAP SE Kyma, published on 10 Aug 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Due to insufficient input validation in Kyma, authenticated users can pass a Header of their choice and escalate privileges.
Weakness: CWE-20
Which versions are affected by CVE-2021-33708?
It affects 1 product.
Products include Kyma-Project Kyma.
How do I fix CVE-2021-33708?
No fix has been published for CVE-2021-33708 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-33708 being exploited?
There is no known exploitation of CVE-2021-33708 in the wild and no public exploit code.
Other vulnerabilities in SAP SE Kyma
Sources
Also known as GHSA-f2jp-5gj4-q9c9.