CVE-2021-42697: akka http server

csirt@kutim:~/threat-intel/cve/CVE-2021-42697

CVSS 7.5 · High EPSS 36,1%

Kerentanan Uncontrolled Recursion pada akka http server. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 2 November 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-674: Uncontrolled Recursion
EPSS (30 hari): 36,1% peluang dieksploitasi; lebih tinggi dari 98,4% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
akka	http server	Versi 10.1.0 hingga sebelum 10.1.15
akka	http server	Versi 10.2.0 hingga sebelum 10.2.7

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://akka.io/blog/ advisory vendor
https://akka.io/blog/news/2021/11/02/akka-http-10.2.7-released release notes · advisory vendor
https://akka.io/blog/news/2021/11/22/akka-http-10.1.15-released release notes · advisory vendor
https://doc.akka.io/docs/akka-http/current/security/2021-CVE-2021-42697-stack-overflow-parsing-user-agent.html advisory vendor
http://packetstormsecurity.com/files/167018/Akka-HTTP-10.1.14-Denial-Of-Service.html exploit · advisory pihak ketiga · vdb entry

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.