CVE-2022-2820 Session Fixation in namelessmc/nameless
High 7.0
Published
Updated
Check this codebase for CVE-2022-2820 and fix it if it is affected.
What it is: CVE-2022-2820 is a high-severity vulnerability in namelessmc/nameless, published on 15 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-2820 exists.
Affected product: namelessmc/nameless. 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-2022-2820/ (Markdown: https://insights.sbomify.com/CVE-2022-2820/index.md)
Attackers can hijack user sessions in NamelessMC, leading to account takeover, requiring an upgrade to the latest version.
- 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-2022-2820?
CVE-2022-2820 is a high-severity vulnerability in namelessmc/nameless, published on 15 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Session Fixation in GitHub repository namelessmc/nameless prior to v2.0.2.
Weakness: CWE-384
Which versions are affected by CVE-2022-2820?
It affects 1 product.
Products include Namelessmc Nameless.
How do I fix CVE-2022-2820?
No fix has been published for CVE-2022-2820 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-2820 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-2820 exists.
Other vulnerabilities in namelessmc/nameless
- CVE-2022-2821 Missing Critical Step in Authentication in namelessmc/nameless
- CVE-2025-54117 NamelessMC allows Stored Cross-Site Scripting (XSS) in dashboard text editor
- CVE-2025-22144 Account Takeover in NamelessMC
- CVE-2025-32389 NamelessMC Vulnerable to SQL Injections in /user/messaging and /panel/users/reports Pages
- CVE-2025-29784 NamelessMC Has Lack of Length Validation for s Parameter in GET Requests
Sources
Also known as GHSA-mc87-mp22-885h.