CVE-2022-22536

SAP Multiple Products: HTTP Request Smuggling

As of , CVE-2022-22536 in SAP Multiple Products is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 18 August 2022
US federal deadline
8 September 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.98Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.20 on 18 August 2022EPSS on the day CISA listed it.
Public exploit
1 Exploit-DB entry
Fix
Vendor advice: accounts.sap.comLinks below, from CISA's entry.

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

  • accounts.sap.comSAP users must have an account in order to login and access the patch.

What the flaw is

SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server and SAP Web Dispatcher allow HTTP request smuggling. An unauthenticated attacker can prepend a victim's request with arbitrary data, allowing for function execution impersonating the victim or poisoning intermediary Web caches.

CISA's description

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.

The CVE record's description, from sap

CVE published
9 February 2022
Assigned by
sap
CVSS
9.8 Critical (CVSS 3.1, from CISA-ADP)
CWE-444
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.
  4. Exploit-DB published an exploit (EDB-ID 52109).

Public exploits

Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.

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