CVE-2021-43973
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 1.8% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.8% in the next 30 days (EPSS).
- Severity: 8.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.8% · EPSS, next 30 days
- Weakness
- CWE-434 · Unrestricted file upload
- Record status
- Modified
Affected
- Sysaid 20.4.74
Attack profile CVSS 3.1 · 8.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-43973.md and follow it. Check whether this project is affected by CVE-2021-43973. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/atredispartners/advisories/blob/master/ATREDIS-2022-0001.md
- https://github.com/atredispartners/advisories/blob/master/ATREDIS-2022-0001.md
References
- https://github.com/atredispartners/advisories/blob/master/ATREDIS-2021-0002.md
- https://github.com/atredispartners/advisories/blob/master/ATREDIS-2022-0001.md
- https://www.sysaid.com/it-service-management-software/incident-management
- https://github.com/atredispartners/advisories/blob/master/ATREDIS-2021-0002.md
- https://github.com/atredispartners/advisories/blob/master/ATREDIS-2022-0001.md
- https://www.sysaid.com/it-service-management-software/incident-management