VulnerabilityModified
CVE-2021-30137
Assyst 10 SP7.5 has authenticated XXE leading to SSRF via XML unmarshalling.
HIGH 8.2EPSS 0.71%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.71%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- EPSS
- 0.71% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-611
- Affected
- axiossystems/assyst
- Source
- cve@mitre.org
References
- https://github.com/post-cyberlabs/CVE-Advisory/blob/main/CVE-2021-30137.pdfExploit, Third Party Advisory
- https://github.com/post-cyberlabs/CVE-Advisory/blob/main/CVE-2021-30137.pdfExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.