Vulnerability · Published Feb 17, 2021 · Assigned by snyk
CVE-2021-23339HTTP Request Smuggling
Medium 5.0
In plain English
A medium-severity security flaw in com.typesafe.akka:akka-http-core. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.0Medium
Exploit odds (30 days)0.7%top 46.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
This affects all versions before 10.1.14 and from 10.2.0 to 10.2.4 of package com.typesafe.akka:akka-http-core. It allows multiple Transfer-Encoding headers.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | com.typesafe.akka:akka-http-core | 10.2.4 | GHSA-2w7w-2j92-44hx |
| Maven | com.typesafe.akka:akka-http-core | 10.1.14 | GHSA-2w7w-2j92-44hx |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | com.typesafe.akka:akka-http-core | all versions before 10.1.14 and from 10.2.0 to 10.2.4 |
References
- https://snyk.io/vuln/SNYK-JAVA-COMTYPESAFEAKKA-1075043 x_refsource_MISC
- https://github.com/akka/akka-http/pull/3754%23issuecomment-779265201 x_refsource_MISC