CVE-2021-42697
high-risk
Published 2021-11-02
Akka HTTP 10.1.x before 10.1.15 and 10.2.x before 10.2.7 can encounter stack exhaustion while parsing HTTP headers, which allows a remote attacker to conduct a Denial of Service attack by sending a User-Agent header with deeply nested comments.
Do I need to act?
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75.5% chance of exploitation in next 30 days
EPSS score — higher than 24% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (10)
Vendor Advisory
https://akka.io/blog/
Vendor Advisory
https://akka.io/blog/
51
/ 100
high-risk
Severity
26/34 · High
Exploitability
20/34 · Moderate
Exposure
5/34 · Minimal