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CVE-2019-17421

26
FAUCET Score

CVE-2019-17421 is a privilege escalation vulnerability affecting Zoho ManageEngine OpManager 12.4.072 and Firewall Analyzer 12.4.072 due to incorrect file permissions on the packaged Nipper executable. A local attacker can overwrite this file with a malicious payload to achieve root privileges. This vulnerability has a CVSS score of 7.8 (High), indicating high impact on confidentiality, integrity, and availability with low attack complexity and no user interaction. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), it has garnered some community discussion, including a Reddit writeup.

Impacted Technologies

VendorProductVersion(s)CPE
12.4CPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_firewall_analyzer:12.4:124072:*:*:*:*:*:*
12.4CPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_opmanager:12.4:build124072:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.55%
Probability of exploitation in next 30 days
EPSS Percentile
43.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0055 is in the 82nd percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

blog.vastart.dev / 2019/11/cve-2019-17421-privilege-escalation.html
Third Party Advisory
twitter.com / va_start
ExploitThird Party Advisory
manageengine.com / products/firewall/security-updates/cve-2019-17421.html
PatchVendor Advisory