CVE-2021-45394
HIGHCVSS 8.8/10EPSS 1.58%
Last modified
CVE-2021-45394 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An issue was discovered in Spipu HTML2PDF before 5.2.4. Attackers can trigger deserialization of arbitrary data via the injection of a malicious <link> tag in the converted HTML document.. EPSS estimates a 1.58% chance of exploitation in the next 30 days.
Description
An issue was discovered in Spipu HTML2PDF before 5.2.4. Attackers can trigger deserialization of arbitrary data via the injection of a malicious <link> tag in the converted HTML document.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Html2pdf Project | Html2pdf | < 5.2.4 |
References
- https://github.com/spipu/html2pdfProduct, Third Party Advisory
- https://github.com/spipu/html2pdf/blob/master/CHANGELOG.mdRelease Notes, Third Party Advisory
- https://www.synacktiv.com/sites/default/files/2022-01/html2pdf_ssrf_deserialization.pdfExploit, Third Party Advisory
- https://github.com/spipu/html2pdfProduct, Third Party Advisory
- https://github.com/spipu/html2pdf/blob/master/CHANGELOG.mdRelease Notes, Third Party Advisory
- https://www.synacktiv.com/sites/default/files/2022-01/html2pdf_ssrf_deserialization.pdfExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-45394?
An issue was discovered in Spipu HTML2PDF before 5.2.4. Attackers can trigger deserialization of arbitrary data via the injection of a malicious <link> tag in the converted HTML document.
How severe is CVE-2021-45394?
CVE-2021-45394 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.58% probability of exploitation in the next 30 days.
How do I fix CVE-2021-45394?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- One Click Account Takeover in GranolaHow a notification link broke out of Electron and led to a one-click account takeover.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-45394?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST