Lightbend Akka HTTP up to 10.2.6 User-Agent Header denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in Lightbend Akka HTTP up to 10.2.6 and classified as problematic. The impacted element is an unknown function of the component User-Agent Header Handler. The manipulation leads to denial of service. This vulnerability is documented as CVE-2021-42697. The attack can be initiated remotely. Additionally, an exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Lightbend Akka HTTP up to 10.2.6. This issue affects an unknown part of the component User-Agent Header Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was released 11/03/2021. It is possible to read the advisory at akka.io. The identification of this vulnerability is CVE-2021-42697 since 10/18/2021. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 10.2.7 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (50892). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Akka HTTP 10.2.7

Timelineinfo

10/18/2021 🔍
11/03/2021 +16 days 🔍
11/03/2021 +0 days 🔍
10/10/2024 +1072 days 🔍

Sourcesinfo

Advisory: akka.io
Status: Confirmed

CVE: CVE-2021-42697 (🔍)
GCVE (CVE): GCVE-0-2021-42697
GCVE (VulDB): GCVE-100-185951
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/03/2021 08:25
Updated: 10/10/2024 10:22
Changes: 11/03/2021 08:25 (39), 11/06/2021 14:37 (1), 11/06/2021 14:42 (18), 10/10/2024 10:22 (23)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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