CVE-2021-42697

mediumPriorität · beachten · 53EPSS 0.361 · 98. PerzentilExploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · PoC

Likely / severe?

36.1% (98th) EPSS

CVSS 5 · medium

Is it mine?

12 products

Prüfe deine Angriffsfläche

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · bewertet 2026-10-22

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.

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

7.5

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USAusnutzbarkeit 10 · Auswirkung 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Hsecondary · CVSS-BT (t0sche)

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-674USprimärCWE-674USCWE-787US

Exploits (2)

Öffentlicher Proof-of-Concept- und Exploit-Code.

betroffene Produkte (12)

Betroffene Produkte und Versionsbereiche.

n/a n/a≤ n/aenisa_euvdEU
akka http server10.1.0 → 10.1.15nvdUScpe:2.3:a:akka:http_server:*:*:*:*:*:*:*:*
akka http server10.2.0 → 10.2.7nvdUScpe:2.3:a:akka:http_server:*:*:*:*:*:*:*:*
Maven com.typesafe.akka:aakka-http-core_2.13.0-M3≥ 10.1.0osvUSpkg:maven/com.typesafe.akka/aakka-http-core_2.13.0-M3
Maven com.typesafe.akka:akka-http-core_2.1110.1.0 → 10.1.15osvUSpkg:maven/com.typesafe.akka/akka-http-core_2.11
Maven com.typesafe.akka:akka-http-core_2.1210.1.0 → 10.1.15osvUSpkg:maven/com.typesafe.akka/akka-http-core_2.12
Maven com.typesafe.akka:akka-http-core_2.1210.2.0-M1 → 10.2.7osvUSpkg:maven/com.typesafe.akka/akka-http-core_2.12
Maven com.typesafe.akka:akka-http-core_2.1310.1.0 → 10.1.15osvUSpkg:maven/com.typesafe.akka/akka-http-core_2.13
Maven com.typesafe.akka:akka-http-core_2.1310.2.0-M1 → 10.2.7osvUSpkg:maven/com.typesafe.akka/akka-http-core_2.13
Maven com.typesafe.akka:akka-http-core_2.13.0-M5≥ 10.1.0osvUSpkg:maven/com.typesafe.akka/akka-http-core_2.13.0-M5
Maven com.typesafe.akka:akka-http-core_2.13.0-RC2≥ 10.1.0osvUSpkg:maven/com.typesafe.akka/akka-http-core_2.13.0-RC2
Maven com.typesafe.akka:akka-http-core_2.13.0-RC3≥ 10.1.0osvUSpkg:maven/com.typesafe.akka/akka-http-core_2.13.0-RC3

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

GHSA-3hw2-h67c-wq66Uncontrolled Recursion in Akka HTTP2022-05-24ghsa · osvUS
Akka HTTP 10.1.x 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.

auch bekannt als (3)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

veröffentlicht 2021-11-02geändert 2026-06-17

verwandt (717)

Verwandte Einträge.

ID	Schweregrad	EPSS	ausnutzbar	veröffentlicht
CVE-2021-45105US	medium5.9	100.0% (100th)	Exploit	2021-12-18
Apache Log4j2 versions 2.0-alpha1 through 2.16.0 (excluding 2.12.3 and 2.3.1) did not protect from uncontrolled recursion from self-referential lookups. This allows an attacker wit…
CVE-2024-25111US	high7.5	65.3% (99th)	—	2024-03-06
Squid is a web proxy cache. Starting in version 3.5.27 and prior to version 6.8, Squid may be vulnerable to a Denial of Service attack against HTTP Chunked decoder due to an uncont…
CVE-2023-50269US	high7.5	57.6% (99th)	—	2023-12-14
Squid is a caching proxy for the Web. Due to an Uncontrolled Recursion bug in versions 2.6 through 2.7.STABLE9, versions 3.1 through 5.9, and versions 6.0.1 through 6.5, Squid may…
CVE-2009-3563US	medium6.4	32.1% (98th)	Exploit	2009-12-09
ntp_request.c in ntpd in NTP before 4.2.4p8, and 4.2.5, allows remote attackers to cause a denial of service (CPU and bandwidth consumption) by using MODE_PRIVATE to send a spoofed…
CVE-2007-1285US	high7.5	18.8% (97th)	Exploit	2007-03-06
The Zend Engine in PHP 4.x before 4.4.7, and 5.x before 5.2.2, allows remote attackers to cause a denial of service (stack exhaustion and PHP crash) via deeply nested arrays, which…

+712 weitere

Referenzen (18)

Externe Belege — Patches, Meldungen, Analysen.

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