CVE-2021-30137
Assyst 10 SP7.5 has authenticated XXE leading to SSRF via XML unmarshalling. The application...
Assyst 10 SP7.5 has authenticated XXE leading to SSRF via XML unmarshalling. The application allows users to send JSON or XML data to the server. It was possible to inject malicious XML data through several access points.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Assyst 10 SP7.5 has authenticated XXE leading to SSRF via XML unmarshalling. The application allows users to send JSON or XML data to the server. It was possible to inject malicious XML data through several access points.
- Record
CVE-2021-30137- CVSS 3.1
- 7.7 High
CVSS:3.1/AC:H/AV:N/A:H/C:L/I:L/PR:L/S:C/UI:N - Updated
- 2026-11-02
EUVDEUVD-2021-17074
Assyst 10 SP7.5 has authenticated XXE leading to SSRF via XML unmarshalling. The application allows users to send JSON or XML data to the server. It was possible to inject malicious XML data through several access points.
- Record
EUVD-2021-17074- CVSS 3.1
- 7.7 High
CVSS:3.1/AC:H/AV:N/A:H/C:L/I:L/PR:L/S:C/UI:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-92h7-3mpg-68jhNo score
Assyst 10 SP7.5 has authenticated XXE leading to SSRF via XML unmarshalling. The application...
Assyst 10 SP7.5 has authenticated XXE leading to SSRF via XML unmarshalling. The application allows users to send JSON or XML data to the server. It was possible to inject malicious XML data through several access points.
- Record
GHSA-92h7-3mpg-68jh- Weakness
- CWE-611
- Updated
- 2026-11-02
NVD
Assyst 10 SP7.5 has authenticated XXE leading to SSRF via XML unmarshalling. The application allows users to send JSON or XML data to the server. It was possible to inject malicious XML data through several access points.
- Record
CVE-2021-30137- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H - CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:P - Weakness
- CWE-611
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-30137 is a high vulnerability (CVSS 7.7) in Axiossystems Assyst, published September 15, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.71%, the 54th percentile. No source names a fixed version.