CVE-2021-4249
4.3 · MEDIUMOverview
CVE-2021-4249 is a medium-severity vulnerability affecting haskell xml-conduit. It was published on December 18, 2022 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A vulnerability was found in xml-conduit. It has been classified as problematic. Affected is an unknown function of the file xml-conduit/src/Text/XML/Stream/Parse.hs of the component DOCTYPE Entity Expansion Handler. The manipulation leads to infinite loop. It is possible to launch the attack remotely. Upgrading to version 1.9.1.0 is able to address this issue. The name of the patch is 4be1021791dcdee8b164d239433a2043dc0939ea. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216204.
Remediation
Check the references section for vendor advisories and patches from haskell. Update xml-conduit to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| haskell | xml-conduit | >= 0, < 1.9.1.0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-4249?
CVE-2021-4249 is a medium-severity vulnerability affecting haskell xml-conduit. It was published on December 18, 2022 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
How severe is CVE-2021-4249?
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-4249?
Check the references section for vendor advisories and patches from haskell. Update xml-conduit to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-4249?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-4249 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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