Home→Vulnerabilities→CVE-2017-10908
Disclosed

CVE-2017-10908

H2O version 2.2.3 and earlier allows remote attackers to cause a denial of service in the server via specially crafted HTTP/2 header.

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Exploitation Probability (EPSS)

Low Priority
1.34%

The Exploit Prediction Scoring System (EPSS) uses machine learning to estimate the probability that a vulnerability will be exploited in the wild within the next 30 days.

0% (Theoretical)100% (Certainty)

7-Day Exploitation Trend

Vulnerability Timeline

2 events
Dec 22, 2017
Vulnerability Disclosed
Published to component-level vulnerability database.
Apr 20, 2025
Last Updated
Record updated with new analysis or tags.

Threat Actor Attribution

PREMIUM INTEL
Associated Groups:Lazarus Group, APT28
Ransomware Campaigns:LockBit 3.0, BlackCat
IoCs (Indicators):14 IPs, 3 Hashes

Remediation & Mitigation

SOLUTION

Official patches and mitigation steps are available for this vulnerability.

# Update Command
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name

Affected Products

1 Total
dena/h2oAll Versions

References

https://github.com/h2o/h2o/issues/1544GitHub
Third Party Advisory
https://jvn.jp/en/jp/JVN84182676/index.htmlJvn
Third Party AdvisoryVDB Entry
https://github.com/h2o/h2o/issues/1544GitHub
Third Party Advisory
https://jvn.jp/en/jp/JVN84182676/index.htmlJvn
Third Party AdvisoryVDB Entry

Am I Vulnerable?

Check your domain or package.json for CVE-2017-10908 exposure.

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Vulnerability Details

CVSS Base Score
5/ 10
Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published Date
Dec 22, 2017
Last Modified
Apr 20, 2025
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