How severe is CVE-2020-13500?

CVE-2020-13500 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-2020-13500 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13500?

CVE-2020-13500 affects Aveva Edna Enterprise Data Historian. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13500?

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-2020-13500 published?

CVE-2020-13500 was published on 2020-09-24 and last updated on 2026-06-17.

CVE-2020-13500

CVE-2020-13500 is a critical-severity vulnerability in Aveva Edna Enterprise Data Historian 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% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Aveva Edna Enterprise Data Historian
Published: 2020-09-24
Last modified: 2026-06-17

Description

SQL injection vulnerability exists in the CHaD.asmx web service functionality of eDNA Enterprise Data Historian 3.0.1.2/7.5.4989.33053. Specially crafted SOAP web requests can cause SQL injections resulting in data compromise. Parameter ClassName in CHaD.asmx is vulnerable to unauthenticated SQL injection attacks.

Frequently asked questions

What is CVE-2020-13500?: SQL injection vulnerability exists in the CHaD.asmx web service functionality of eDNA Enterprise Data Historian 3.0.1.2/7.5.4989.33053. Specially crafted SOAP web requests can cause SQL injections resulting in data compromise. Parameter ClassName in CHaD.asmx is vulnerable to unauthenticated SQL injection attacks.
How severe is CVE-2020-13500?: CVE-2020-13500 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-2020-13500 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13500?: CVE-2020-13500 affects Aveva Edna Enterprise Data Historian. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13500?: 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-2020-13500 published?: CVE-2020-13500 was published on 2020-09-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:aveva:edna_enterprise_data_historian:3.0.1.2\/7.5.4989.33053:*:*:*:*:*:*:*

More vulnerabilities in Aveva Edna Enterprise Data Historian

CVE-2020-13505 — Critical (CVSS 9.8): Parameter psClass in ednareporting.asmx is vulnerable to unauthenticated SQL injection attacks. Specially crafted SOAP…
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CVE-2020-13501 — Critical (CVSS 9.8): An SQL injection vulnerability exists in the CHaD.asmx web service functionality of eDNA Enterprise Data Historian…
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