CVE-2019-17421
Incorrect file permissions on the packaged Nipper executable file in Zoho ManageEngine OpManager 12.4.072 and Firewall Analyzer 12.4.072 allow local users to elevate privileges to root by overwriting this file with a malicious payload.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Incorrect file permissions on the packaged Nipper executable file in Zoho ManageEngine OpManager 12.4.072 and Firewall Analyzer 12.4.072 allow local users to elevate privileges to root by overwriting this file with a malicious payload.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.55% probability · 46th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-276
- Affected
- zohocorp/manageengine firewall analyzer · zohocorp/manageengine opmanager
- Source
- cve@mitre.org
EPSS 0.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://blog.vastart.dev/2019/11/cve-2019-17421-privilege-escalation.htmlThird Party Advisory
- https://twitter.com/va_startExploit, Third Party Advisory
- https://www.manageengine.com/products/firewall/security-updates/cve-2019-17421.htmlPatch, Vendor Advisory
- https://blog.vastart.dev/2019/11/cve-2019-17421-privilege-escalation.htmlThird Party Advisory
- https://twitter.com/va_startExploit, Third Party Advisory
- https://www.manageengine.com/products/firewall/security-updates/cve-2019-17421.htmlPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.