How severe is CVE-2018-12998?

CVE-2018-12998 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-12998 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 98% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12998?

CVE-2018-12998 primarily affects Zohocorp Firewall Analyzer. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-12998?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-12998 published?

CVE-2018-12998 was published on 2018-06-29 and last updated on 2026-06-17.

CVE-2018-12998

CVE-2018-12998 is a medium-severity vulnerability in Zohocorp Firewall Analyzer with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 98% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 98% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Zohocorp Firewall Analyzer
Published: 2018-06-29
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2018-12998?: 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.
How severe is CVE-2018-12998?: CVE-2018-12998 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-12998 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 98% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12998?: CVE-2018-12998 primarily affects Zohocorp Firewall Analyzer. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-12998?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-12998 published?: CVE-2018-12998 was published on 2018-06-29 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:zohocorp:firewall_analyzer:-:*:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_netflow_analyzer:-:*:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_network_configuration_manager:-:*:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:-:*:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_oputils:-:*:*:*:*:*:*:*

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