How severe is CVE-2018-12998?

CVE-2018-12998 has a CVSS score of 6.1/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2018-12998?

Affected package information for CVE-2018-12998 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2018-12998?

No fixed version has been published for CVE-2018-12998 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2018-12998 actively exploited in the wild?

Yes. There are 4 known exploit references for CVE-2018-12998, including 4 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2018-12998?

CVE-2018-12998 has an EPSS (Exploit Prediction Scoring System) score of 98.5%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

What type of vulnerability is CVE-2018-12998?

CVE-2018-12998 is classified as Cross-site Scripting (XSS) (CWE-79). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

Which products and versions are affected by CVE-2018-12998?

CVE-2018-12998 affects zohocorp firewall analyzer; zohocorp manageengine netflow analyzer; zohocorp manageengine network configuration manager; zohocorp manageengine opmanager, and 1 more product(s). Check the affected-products list on this page against your deployed version to confirm exposure.

Is there exploit tooling available for CVE-2018-12998?

A Nuclei detection template exists for CVE-2018-12998, meaning automated scanners can fingerprint it. Public exploit tooling significantly increases real-world risk — prioritize patching and ensure detection coverage. Exploit tooling should only ever be used in isolated, authorized testing environments.

When was CVE-2018-12998 published, and has it been updated?

CVE-2018-12998 was published on June 29, 2018 and was last updated on November 21, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2018-12998

MEDIUM

A reflected Cross-site scripting (XSS) vulnerability in Zoho ManageEngine Netflow Analyzer before build 123137, Network Configuration Manager before build 123128, OpManager before build…

Published

Jun 29, 2018

Updated

Nov 21, 2024

Affected

0 pkgs

Patched

None yet

Exploits

4 known

EPSS Exploitation Probability

via FIRST.org ↗

98.5%probability of exploitation in next 30 days

Very High Risk100th percentile+44.35%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

A reflected Cross-site scripting (XSS) vulnerability in Zoho ManageEngine Netflow Analyzer before build 123137, Network Configuration Manager before build 123128, OpManager before build 123148, OpUtils before build 123161, and Firewall Analyzer before build 123147 allows remote attackers to inject arbitrary web script or HTML via the parameter 'operation' to /servlet/com.adventnet.me.opmanager.servlet.FailOverHelperServlet.

Affected Products

5 products · 5 configurations

Application

firewall analyzerzohocorp

all

Application

manageengine netflow analyzerzohocorp

all

Application

manageengine network configuration managerzohocorp

all

Application

manageengine opmanagerzohocorp

all

Application

manageengine oputilszohocorp

all

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

A reflected Cross-site scripting (XSS) vulnerability in Zoho ManageEngin…

github.comNVDAug 2021

A reflected Cross-site scripting (XSS) vulnerability in Zoho ManageEngin…

cnnvd.org.cnNVDAug 2021

A reflected Cross-site scripting (XSS) vulnerability in Zoho ManageEngin…

seclists.orgNVDAug 2021

A reflected Cross-site scripting (XSS) vulnerability in Zoho ManageEngin…

packetstormsecurity.comNVDAug 2021

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2018-12998 in your stack?

O3 detects CVE-2018-12998 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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