CVE-2021-21479
Remote Code Execution in SCIMono
In SCIMono before 0.0.19, it is possible for an attacker to inject and execute java expression compromising the availability and integrity of the system.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.1
In SCIMono before 0.0.19, it is possible for an attacker to inject and execute java expression compromising the availability and integrity of the system.
- Record
CVE-2021-21479- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H - Updated
- 2026-11-02
EUVDEUVD-2021-0526
8.1
In SCIMono before 0.0.19, it is possible for an attacker to inject and execute java expression compromising the availability and integrity of the system.
- Record
EUVD-2021-0526- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-29q4-gxjq-rx5c No score
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
- Record
GHSA-29q4-gxjq-rx5c- Weakness
- CWE-59, CWE-62, CWE-74, CWE-77, CWE-690, CWE-917
- Updated
- 2026-11-02
NVD
9.1
In SCIMono before 0.0.19, it is possible for an attacker to inject and execute java expression compromising the availability and integrity of the system.
- Record
CVE-2021-21479- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:P - Weakness
- CWE-74
- Updated
- 2026-11-02
OSVGHSA-29q4-gxjq-rx5c No score
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
- Record
GHSA-29q4-gxjq-rx5c- Weakness
- CWE-59, CWE-62, CWE-690, CWE-74, CWE-77, CWE-917
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
com.sap.scimono:scimono-serverMaven |
before 0.0.19 | 0.0.19 |
com.sap.scimono:scimono-serverMaven |
before 0.0.19, plus listed versions 0.0.10.0.110.0.120.0.130.0.14 Show 12 moreShow less0.0.150.0.160.0.170.0.180.0.20.0.30.0.40.0.50.0.60.0.70.0.80.0.9 |
0.0.19 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | SCIMono <0.0.19 - Remote Code Execution |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21479 is a high vulnerability (CVSS 8.1) in Sap Scimono, published February 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 10.1%, the 95th percentile. Fixed in com.sap.scimono:scimono-server 0.0.19.