SAP Web Dispatcher/Internet Communication Manager up to 7.83 HTTP Header Transfer-Encoding request smuggling

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in SAP Web Dispatcher and Internet Communication Manager up to 7.83 and classified as critical. The affected element is an unknown function of the component HTTP Header Handler. This manipulation of the argument Transfer-Encoding causes request smuggling. This vulnerability is tracked as CVE-2021-33683. The attack is possible to be carried out remotely. No exploit exists. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in SAP Web Dispatcher and Internet Communication Manager up to 7.83. It has been declared as critical. Affected by this vulnerability is an unknown part of the component HTTP Header Handler. The manipulation of the argument Transfer-Encoding with an unknown input leads to a request smuggling vulnerability. The CWE definition for the vulnerability is CWE-444. The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 07/14/2021. The advisory is shared at wiki.scn.sap.com. This vulnerability is known as CVE-2021-33683. Technical details are known, but no exploit is available.

Applying a patch is able to eliminate this problem.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Request smuggling
CWE: CWE-444
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/28/2021 🔍
07/14/2021 +47 days 🔍
07/14/2021 +0 days 🔍
07/18/2021 +4 days 🔍

Sourcesinfo

Vendor: sap.com

Advisory: wiki.scn.sap.com
Status: Confirmed

CVE: CVE-2021-33683 (🔍)
GCVE (CVE): GCVE-0-2021-33683
GCVE (VulDB): GCVE-100-178657
scip Labs: https://www.scip.ch/en/?labs.20150716

Entryinfo

Created: 07/14/2021 19:01
Updated: 07/18/2021 13:40
Changes: 07/14/2021 19:01 (38), 07/18/2021 13:35 (2), 07/18/2021 13:40 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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