GHSA-29q4-gxjq-rx5c: com.sap.scimono:scimono-server (CVE-2021-21479)

Remote Code Execution in SCIMono

CVSS 8.1 HighCriticalEPSS 0.10 · 95th percentile

Critical, because:

CVSS score 8.1 (7.0 or more) and EPSS 0.10 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

Published by the GitHub Advisory Database at 10 Feb 2021, 02:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

Package	Ecosystem	Affected	Fixed in
com.sap.scimono:scimono-server	Maven	<0.0.19	0.0.19

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

SCIMono's scimono-server package, versions before 0.0.19, is vulnerable to remote code execution. The source gives few details on how the attack is triggered or what access is needed, but says an attacker can inject and execute Java expressions, affecting system availability and integrity. Upgrade scimono-server to version 0.0.19 or later.

Written 3 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
8.1	High	3.0	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H	CNA (sap)

CISA KEV Not listed.
EPSS 0.10, the 95th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

31 Oct 2026, 14:20 UTC First seen by agentprime
31 Oct 2026, 14:20 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.