CVE-2021-33683
CVSS V2 Medium 4
CVSS V3 Medium 4.3
Description
SAP Web Dispatcher and Internet Communication Manager (ICM), versions - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, KRNL64UC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, 7.73, WEBDISP 7.53, 7.73, 7.77, 7.81, 7.82, 7.83, KERNEL 7.21, 7.22, 7.49, 7.53, 7.73, 7.77, 7.81, 7.82, 7.83, process invalid HTTP header. The incorrect handling of the invalid Transfer-Encoding header in a particular manner leads to a possibility of HTTP Request Smuggling attack. An attacker could exploit this vulnerability to bypass web application firewall protection, divert sensitive data such as customer requests, session credentials, etc.
Overview
- CVE ID
- CVE-2021-33683
- Assigner
- cna@sap.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-07-14T12:15:09
- Last Modified Date
- 2021-07-27T14:22:52
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.21ext:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.22:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.22ext:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.49:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.53:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.73:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.77:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.81:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:7.82:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:kernel_7.21:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:krnl32nuc_7.21:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:krnl32uc_7.21:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:krnl64nuc_7.21:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:krnl64uc_7.21:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:web_dispatcher_and_internet_communication_manager:webdisp_7.53:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 4
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 4.3
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 1.4
References
| Reference URL | Reference Tags |
|---|---|
| https://launchpad.support.sap.com/#/notes/3000663 | Permissions Required |
| https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-33683 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33683 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 15:52:51 | Added to TrackCVE | |||
| 2022-12-05 06:03:07 | 2021-07-14T12:15Z | 2021-07-14T12:15:09 | CVE Published Date | updated |
| 2022-12-05 06:03:07 | 2021-07-27T14:22:52 | CVE Modified Date | updated | |
| 2022-12-05 06:03:07 | Analyzed | Vulnerability Status | updated |