Arbitrary file upload in Optilinknetwork Op-Xt71000n
CVE-2020-23591
A vulnerability in OPTILINK OP-XT71000N Hardware Version: V2.2 , Firmware Version: OP_V3.3.1-191028 allows an attacker to upload arbitrary files through " /mgm_dev_upgrade.asp " which can "delete every file for Denial of Service (using 'rm -rf *.*' in the code), reverse connection (using '.asp' webshell), backdoor.
Vulnerability class: Unrestricted File Upload
EPSS: 0.011 (61.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Optilinknetwork Op-xt71000n — versions 2.2
- Optilinknetwork Op-xt71000n_firmware — versions 3.3.1-191028
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-23591?
- CVE-2020-23591 is a critical-severity vulnerability in Optilinknetwork Op-Xt71000n, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2022-11-23.
- How severe is CVE-2020-23591?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-23591 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.