What it is
GHSA-29Q4-GXJQ-RX5C is Remote Code Execution in SCIMono affecting com.sap.scimono scimono-server. ### Impact It is possible for attacker to inject and execute java expression and compromising the availability and...
Vulnerability report
Exploited in the wild
High confidence
Not in CISA KEV
GHSA-29Q4-GXJQ-RX5C
Linked CVE: CVE-2021-21479
Remote Code Execution in SCIMono
com.sap.scimono / scimono-server · affected before 0.0.19
- Severity
- —
- Confidence
- High
- Exploit status
- Exploited in the wild
- EPSS
- 10.1%
- First observed
- —
- Last observed
- —
Decision summary
What security teams need to know first
Direct answers before the deeper technical record.
Is it exploited?
Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is high.
Who is affected?
com.sap.scimono / scimono-server affected before 0.0.19.
What should we do?
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
Overview
Remote Code Execution in SCIMono
### Impact It is possible for attacker to inject and execute java expression and compromising the availability and integrity of the system.
### Patches The issue was fixed on [0.0.19 version](https://mvnrepository.com/artifact/com.sap.scimono/scimono-server/0.0.19)
Vendor
Product
Affected
Status
SAP SE
SCIMono
Before 0.0.19
Affected
- Published
- 10 Feb 2021
- Exploitation Reported
- 27 Jul 2025
- Attack vector
- —
- Complexity
- —
- Privileges
- —
- User interaction
- —
Tags
nuclei_scanner
CVE References
- https://github.com/advisories/GHSA-29q4-gxjq-rx5c GitHub Advisory
- https://github.com/SAP/scimono/security/advisories/GHSA-29q4-gxjq-rx5c Reference
- https://nvd.nist.gov/vuln/detail/CVE-2021-21479 Reference
- https://github.com/SAP/scimono/commit/413b5d75fa94e77876af0e47be76475a23745b80 Reference
- https://mvnrepository.com/artifact/com.sap.scimono/scimono-server/0.0.19 Reference
- CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2021-21479
Exploitation evidence
Why KEV Intelligence marks this advisory as exploited
Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.
Exploited in the wild
The Shadowserver
Independent exploitation attestation added to the KEV Intelligence record.
Proof of concept available
Nuclei Templates
Public scanner or PoC coverage increases practical exploitability.
Known exploited vulnerability sources
Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| The Shadowserver First | 2025-07-27 00:00 UTC |
Detection
Operational artifacts and observed signals
Make the evidence actionable in scanner, SOC, and edge-control workflows.
Observed signals
- Request targets
- 0
- User-Agents
- 0
Raw values available in Pro and Enterprise.
Scanner coverage
Nuclei template detected 25 Apr 2025.
View Nuclei template (opens in new tab)Virtual patch status
No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.
Learn about virtual patches →Scanner Artifacts
Scanner and exploit-framework references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-21479.yaml | 25 Apr 2025 |
Risk and context
Severity, weaknesses, and research context
CVSS
No CVSS data available.
EPSS
10.1%
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
SCIMono <0.0.19 - Remote Code Execution
nuclei · Created Unknown
Timeline
From disclosure to observed exploitation
-
Public PoC available
Public proof-of-concept code published
-
Added to KEV Intelligence KEV Feed
High-confidence, third-party attested exploitation
-
Nuclei template available
Scanner coverage available
-
GitHub Advisory published
Vulnerability disclosed publicly
Pro API
Automate this intelligence
Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
- Evidence confidence and provenance
- First-party sensor telemetry
- PoC and scanner references
- Affected versions and enrichment
- Automation-ready JSON delivery
GET /api/v2/pro/kevs/GHSA-29Q4-GXJQ-RX5C
Free JSON includes basic KEV fields{
"ghsa_id": "GHSA-29Q4-GXJQ-RX5C",
"confidence": "High",
"cvss_score": null,
"cvss_estimated": false,
"epss_score": 0.10116,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "attempts": 0, "sensors": 0 }
}Early warning alerts
Get alerts on high-impact exploitation
Receive curator-selected alerts when exploitation activity warrants attention. Each alert includes the evidence and context needed to decide what requires attention now.