What is CVE-2023-41834?

CVE-2023-41834 is a medium-severity vulnerability in Apache Flink Stateful Functions, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.1/10. Published 2023-09-19.

How severe is CVE-2023-41834?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Vulnerability in Apache Flink Stateful Functions

CVE-2023-41834

Improper Neutralization of CRLF Sequences in HTTP Headers in Apache Flink Stateful Functions 3.1.0, 3.1.1 and 3.2.0 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via crafted HTTP requests. Attackers could potentially inject malicious content into the HTTP response that is sent to the user's browser. Users should upgrade to Apache Flink Stateful Functions version 3.3.0.

EPSS: 0.016 (73.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Apache Flink_stateful_functions
Apache Software Foundation Flink Stateful Functions — versions 3.1.0

Weakness classification (CWE)

References

security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
security@apache.org (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2023-41834?: CVE-2023-41834 is a medium-severity vulnerability in Apache Flink Stateful Functions, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.1/10. Published 2023-09-19.
How severe is CVE-2023-41834?: Medium severity. CVSS v3 base score is 6.1 out of 10.