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Fencer Vulns
critical 9.8

CVE-2022-22536 kev in the critical feed json

SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server 7.53 and SAP Web Dispatcher…

published 2022-02-09 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-27682

cvss
9.8
version 3.1, CNA
cisa kev
Exploited
added 2022-08-18
epss
97.9%
EPSS 97.9% chance of exploitation in 30 days, percentile 99.9%
public exploits
1
Exploit-DB, plus a Nuclei check

Summary

SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server 7.53 and SAP Web Dispatcher are vulnerable for request smuggling and request concatenation. An unauthenticated attacker can prepend a victim's request with arbitrary data. This way, the attacker can execute functions impersonating the victim or poison intermediary Web caches. A successful attack could result in complete compromise of Confidentiality, Integrity and Availability of the system.

Patch / fix

cisa required action Apply updates per vendor instructions.

Timeline

  1. Published
  2. Added to CISA KEV
  3. CISA patch deadline
  4. CISA SSVC: exploitation active
  5. First public exploit (EDB-52109)

Known exploited

Added
4 y ago
Patch by
2022-09-08 (4 y ago)
Ransomware
Not known
Required action
Apply updates per vendor instructions.
Vendor, product
SAP, Multiple Products
CISA name
SAP Multiple Products HTTP Request Smuggling Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
yes
Technical impact
total
Assessed
21 mo ago

Exploit prediction

97.95% chance of exploitation in the next 30 days, higher than 99.9% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-52109 SAP NetWeaver - 7.53 - HTTP Request Smuggling remote, 2025-04-02
  • Nuclei template SAP Memory Pipes (MPI) Desynchronization nuclei detection template

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • SAP SE SAP NetWeaver and ABAP Platform
  • SAP SE SAP Web Dispatcher
  • SAP SE SAP Content Server

Classification

Weakness
  • CWE-444 Inconsistent Interpretation of HTTP Requests

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.