How severe is CVE-2018-10620?

CVE-2018-10620 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-2018-10620 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-10620?

CVE-2018-10620 primarily affects Aveva Indusoft Web Studio. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-10620?

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-2018-10620 published?

CVE-2018-10620 was published on 2018-07-19 and last updated on 2026-06-17.

CVE-2018-10620

CVE-2018-10620 is a critical-severity vulnerability in Aveva Indusoft Web Studio 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-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Aveva Indusoft Web Studio
Published: 2018-07-19
Last modified: 2026-06-17

Description

AVEVA InduSoft Web Studio v8.1 and v8.1SP1, and InTouch Machine Edition v2017 8.1 and v2017 8.1 SP1 a remote user could send a carefully crafted packet to exploit a stack-based buffer overflow vulnerability during tag, alarm, or event related actions such as read and write, with potential for code to be executed.

Frequently asked questions

What is CVE-2018-10620?: AVEVA InduSoft Web Studio v8.1 and v8.1SP1, and InTouch Machine Edition v2017 8.1 and v2017 8.1 SP1 a remote user could send a carefully crafted packet to exploit a stack-based buffer overflow vulnerability during tag, alarm, or event related actions such as read and write, with potential for code to be executed.
How severe is CVE-2018-10620?: CVE-2018-10620 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-2018-10620 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-10620?: CVE-2018-10620 primarily affects Aveva Indusoft Web Studio. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-10620?: 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-2018-10620 published?: CVE-2018-10620 was published on 2018-07-19 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:aveva:indusoft_web_studio:8.1:*:*:*:*:*:*:*
cpe:2.3:a:aveva:indusoft_web_studio:8.1:sp1:*:*:*:*:*:*
cpe:2.3:a:aveva:intouch_machine_2017:8.1:*:*:*:*:*:*:*
cpe:2.3:a:aveva:intouch_machine_2017:8.1:sp1:*:*:*:*:*:*

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