How severe is CVE-2018-10591?

CVE-2018-10591 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-10591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-10591?

CVE-2018-10591 primarily affects Advantech Webaccess. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-10591?

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

When was CVE-2018-10591 published?

CVE-2018-10591 was published on 2018-05-15 and last updated on 2026-06-17.

CVE-2018-10591

CVE-2018-10591 is a medium-severity vulnerability in Advantech Webaccess with a CVSS 3.x base score of 6.1. 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-384.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 2.6
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Advantech Webaccess
Published: 2018-05-15
Last modified: 2026-06-17

Description

In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, an origin validation error vulnerability has been identified, which may allow an attacker can create a malicious web site, steal session cookies, and access data of authenticated users.

Frequently asked questions

What is CVE-2018-10591?: In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, an origin validation error vulnerability has been identified, which may allow an attacker can create a malicious web site, steal session cookies, and access data of authenticated users.
How severe is CVE-2018-10591?: CVE-2018-10591 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-10591 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-10591?: CVE-2018-10591 primarily affects Advantech Webaccess. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-10591?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-10591 published?: CVE-2018-10591 was published on 2018-05-15 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:*
cpe:2.3:a:advantech:webaccess_dashboard:*:*:*:*:*:*:*:*
cpe:2.3:a:advantech:webaccess_scada:*:*:*:*:*:*:*:*
cpe:2.3:a:advantech:webaccess\/nms:*:*:*:*:*:*:*:*

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