What is CVE-2022-22533?

CVE-2022-22533 is a high-severity vulnerability in SAP Netweaver Application Server Java, classified under Use After Free. CVSS score: 7.5/10. Published 2022-02-09.

How severe is CVE-2022-22533?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-22533 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Use After Free in SAP Netweaver Application Server Java

CVE-2022-22533

Due to improper error handling in SAP NetWeaver Application Server Java - versions KRNL64NUC 7.22, 7.22EXT, 7.49, KRNL64UC, 7.22, 7.22EXT, 7.49, 7.53, KERNEL 7.22, 7.49, 7.53, an attacker could submit multiple HTTP server requests resulting in errors, such that it consumes the memory buffer. This could result in system shutdown rendering the system unavailable.

Vulnerability class: Use-After-Free

EPSS: 0.018 (76.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Sap Netweaver_application_server_java — versions 7.22, 7.49, 7.53
Sap Se Netweaver Application Server Java — versions KRNL64NUC 7.22, 7.22EXT, 7.49

Weakness classification (CWE)

CWE-416 — Use After Free

Public proof-of-concept exploits

References

cna@sap.com (Permissions Required, x_refsource_MISC, Vendor Advisory)
cna@sap.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2022-22533?: CVE-2022-22533 is a high-severity vulnerability in SAP Netweaver Application Server Java, classified under Use After Free. CVSS score: 7.5/10. Published 2022-02-09.
How severe is CVE-2022-22533?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-22533 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.