SAP SE SAP Web Dispatcher and Internet Communication Manager

CVE-2021-33683
MEDIUM 5.4

At a glance

Source
NVD
EPSS
EPSS 0.55 % · percentile 46 ()
State
PUBLISHED
Published
Updated
Assigner
sap
NVD status
Modified

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.

Weaknesses (CWE)

  • CWE-444 — Inconsistent Interpretation of HTTP Requests

References

Scores

VersionScoreVectorScored by
CVSS 3.0MEDIUM 5.4CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Nsap
CVSS 3.1MEDIUM 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NNVD · nvd@nist.gov (Primary)
CVSS 3.0MEDIUM 5.4CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NNVD · cna@sap.com (Secondary)
CVSS 2.0MEDIUM 4.0AV:N/AC:L/Au:S/C:N/I:P/A:NNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
SAP SE · SAP Web Dispatcher and Internet Communication Manageraffected < KRNL32NUC 7.21 ; affected < 7.21EXT ; affected < 7.22 ; affected < 7.22EXT ; affected < KRNL32UC 7.21 ; affected < KRNL64NUC 7.21

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD