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CVE-2018-12998

82
FAUCET Score

CVE-2018-12998 is a reflected Cross-site Scripting (XSS) vulnerability impacting multiple Zoho ManageEngine products, including Netflow Analyzer, Network Configuration Manager, OpManager, OpUtils, and Firewall Analyzer, in versions prior to specific builds. This medium-severity vulnerability (CVSS 6.1) allows unauthenticated remote attackers to inject arbitrary web script or HTML via the 'operation' parameter in the FailOverHelperServlet. While there is no evidence of active exploitation, public exploit code (Metasploit, ExploitDB) is unavailable, though Nuclei templates exist. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:zohocorp:firewall_analyzer:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_netflow_analyzer:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_network_configuration_manager:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_opmanager:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_oputils:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
98.46%
Probability of exploitation in next 30 days
EPSS Percentile
99.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
Nuclei: CVE-2018-12998 · Sep 15, 2021
This CVE's current EPSS score of 0.9846 is in the 100th percentile among its peer group of 26,236 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/148635/Zoho-ManageEngine-13-13790-build-XSS-File-Read-File-Deletion.html
ExploitThird Party AdvisoryVDB Entry
seclists.org / fulldisclosure/2018/Jul/75
ExploitMailing ListThird Party Advisory
github.com / unh3x/just4cve/issues/10
ExploitThird Party Advisory
cnnvd.org.cn / web/xxk/ldxqById.tag
ExploitThird Party Advisory