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CVE-2018-20338

35
FAUCET Score

CVE-2018-20338 is a critical SQL injection vulnerability affecting Zoho ManageEngine OpManager 12.3 prior to build 123239, specifically within its Alarms section. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network without authentication, allowing an attacker to achieve full compromise of confidentiality, integrity, and availability. Despite its high severity, there is no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
12.3CPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build12300:*:*:*:*:*:*
12.3CPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123001:*:*:*:*:*:*
12.3CPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123002:*:*:*:*:*:*
12.3CPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123003:*:*:*:*:*:*
12.3CPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123004:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
11.53%
Probability of exploitation in next 30 days
EPSS Percentile
95.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.1153 is in the 91st percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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

manageengine.com / network-monitoring/help/read-me.html
Release NotesVendor Advisory
securityfocus.com / bid/106302
Third Party AdvisoryVDB Entry