How severe is CVE-2018-20173?

CVE-2018-20173 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-20173 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 24% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20173?

CVE-2018-20173 primarily affects Zohocorp Manageengine Opmanager. In total, 89 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-20173?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-20173 published?

CVE-2018-20173 was published on 2018-12-17 and last updated on 2026-06-17.

CVE-2018-20173

CVE-2018-20173 is a critical-severity vulnerability in Zohocorp Manageengine Opmanager with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 24% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 24% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Zohocorp Manageengine Opmanager
Published: 2018-12-17
Last modified: 2026-06-17

Description

Zoho ManageEngine OpManager 12.3 before 123238 allows SQL injection via the getGraphData API.

Frequently asked questions

What is CVE-2018-20173?: Zoho ManageEngine OpManager 12.3 before 123238 allows SQL injection via the getGraphData API.
How severe is CVE-2018-20173?: CVE-2018-20173 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-20173 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 24% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20173?: CVE-2018-20173 primarily affects Zohocorp Manageengine Opmanager. In total, 89 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-20173?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-20173 published?: CVE-2018-20173 was published on 2018-12-17 and last updated on 2026-06-17.

References

https://www.manageengine.com/network-monitoring/help/read-me.html

Affected products (89)

cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build12300:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123001:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123002:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123003:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123004:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123005:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123006:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123007:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123008:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123009:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123010:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123011:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123012:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123013:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123014:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123015:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123021:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123022:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123023:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123024:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123025:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123026:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123027:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123028:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123029:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123030:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123031:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123032:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123033:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123034:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123035:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123036:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123037:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123043:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123044:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123045:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123046:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123047:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123048:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_opmanager:12.3:build123049:*:*:*:*:*:*

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