nginx up to 1.18.0 HTTP Request request smuggling

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k4.82

A vulnerability was found in nginx up to 1.18.0 (Web Server) and classified as critical. Affected by this issue is an unknown functionality. The manipulation as part of a HTTP Request leads to a request smuggling vulnerability. Using CWE to declare the problem leads to CWE-444. When malformed or abnormal HTTP requests are interpreted by one or more entities in the data flow between the user and the web server, such as a proxy or firewall, they can be interpreted inconsistently, allowing the attacker to "smuggle" a request to one device without the other device being aware of it. Impacted is confidentiality, integrity, and availability. CVE summarizes:

NGINX through 1.18.0 allows an HTTP request smuggling attack that can lead to cache poisoning, credential hijacking, or security bypass.

The weakness was disclosed 05/14/2020. This vulnerability is handled as CVE-2020-12440 since 04/28/2020. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Type

Name

License

  • open-source

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Request smuggling
CWE: CWE-444
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/28/2020 🔍
05/14/2020 +16 days 🔍
05/15/2020 +1 days 🔍
05/15/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-12440 (🔍)

Entryinfo

Created: 05/15/2020 09:27 AM
Updated: 05/15/2020 09:32 AM
Changes: 05/15/2020 09:27 AM (34), 05/15/2020 09:32 AM (18)
Complete: 🔍

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