Arbitrary file upload in Sysaid
CVE-2021-43973
An unrestricted file upload vulnerability in /UploadPsIcon.jsp in SysAid ITIL 20.4.74 b10 allows a remote authenticated attacker to upload an arbitrary file via the file parameter in the HTTP POST body. A successful request returns the absolute, server-side filesystem path of the uploaded file.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Sysaid — versions 20.4.74
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.sysaid.com/it-service-management-software/incident-management (Product)
- github.com/atredispartners/advisories/blob/master/ATREDIS-2021-0002.md (Broken Link)
- github.com/atredispartners/advisories/blob/master/ATREDIS-2022-0001.md (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-43973?
- CVE-2021-43973 is a high-severity vulnerability in Sysaid, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2022-01-11.
- How severe is CVE-2021-43973?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-43973 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.