CVE-2021-34357 Reflected XSS Vulnerability in QmailAgent
Medium 6.9
Published
Updated
Check this codebase for CVE-2021-34357 and fix it if it is affected.
What it is: CVE-2021-34357 is a medium-severity vulnerability in QNAP Systems Inc. QmailAgent, published on 13 Nov 2021.
Exploitation: There is no known exploitation of CVE-2021-34357 in the wild and no public exploit code.
Affected product: QNAP Systems Inc. QmailAgent. 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-2021-34357/ (Markdown: https://insights.sbomify.com/CVE-2021-34357/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2021-34357?
CVE-2021-34357 is a medium-severity vulnerability in QNAP Systems Inc. QmailAgent, published on 13 Nov 2021.
Official description
A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running QmailAgent. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of QmailAgent: QmailAgent 3.0.2 ( 2021/08/25 ) and later
Weakness: CWE-79
Which versions are affected by CVE-2021-34357?
It affects 1 product.
Products include Qnap Qmailagent.
How do I fix CVE-2021-34357?
No fix has been published for CVE-2021-34357 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-34357 being exploited?
There is no known exploitation of CVE-2021-34357 in the wild and no public exploit code.
Other vulnerabilities in QNAP Systems Inc. QmailAgent
Sources
Also known as GHSA-gfgx-cxc3-v57c.