How severe is CVE-2018-14956?

CVE-2018-14956 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-2018-14956 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-14956?

CVE-2018-14956 affects Isweb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-14956?

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-2018-14956 published?

CVE-2018-14956 was published on 2018-09-28 and last updated on 2026-06-17.

CVE-2018-14956

CVE-2018-14956 is a critical-severity vulnerability in Isweb with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. 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: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Isweb
Published: 2018-09-28
Last modified: 2026-06-17

Description

CMS ISWEB 3.5.3 is vulnerable to multiple SQL injection flaws. An attacker can inject malicious queries into the application and obtain sensitive information.

Frequently asked questions

What is CVE-2018-14956?: CMS ISWEB 3.5.3 is vulnerable to multiple SQL injection flaws. An attacker can inject malicious queries into the application and obtain sensitive information.
How severe is CVE-2018-14956?: CVE-2018-14956 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-2018-14956 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-14956?: CVE-2018-14956 affects Isweb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-14956?: 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-2018-14956 published?: CVE-2018-14956 was published on 2018-09-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:isweb:isweb:3.5.3:*:*:*:*:*:*:*

More vulnerabilities in Isweb

CVE-2018-14957 — Critical (CVSS 9.8): CMS ISWEB 3.5.3 is vulnerable to directory traversal and local file download, as demonstrated by…
CVE-2018-15562 — Medium (CVSS 6.1): CMS ISWEB 3.5.3 has XSS via the ordineRis, sezioneRicerca, or oggettiRicerca parameter to index.php.

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