CVE-2020-28653
Zoho ManageEngine OpManager Stable build before 125203 (and Released build before 125233) allows Remote Code Execution via the Smart Update Manager (SUM)...
- Published
- Feb 3, 2021
- Updated
- Aug 4, 2024
- Assigning CNA
- mitre
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.6%
- Model date
- Oct 16, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Zoho ManageEngine OpManager Stable build before 125203 (and Released build before 125233) allows Remote Code Execution via the Smart Update Manager (SUM) servlet.
Sources
http/cves/2020/CVE-2020-28653.yaml
Nuclei TemplatesDeclared conditions
- network: http($.protocol_keys)
- verification: dsl($.matchers[*].type)
- oob: interactsh_reference($.template_text)
modules/exploits/multi/http/opmanager_sumpdu_deserialization.rb
Metasploit Framework modulesDeclared conditions
- platform: Linux,Python,Unix,Windows($.exploit_multi/http/opmanager_sumpdu_deserialization.platform)
- verification: check_declared($.exploit_multi/http/opmanager_sumpdu_deserialization.check)
Responsible use
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