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CVE-2020-13500

27
FAUCET Score

CVE-2020-13500 describes a critical SQL injection vulnerability within the CHaD.asmx web service of AVEVA eDNA Enterprise Data Historian versions 3.0.1.2 and 7.5.4989.33053. This flaw allows unauthenticated attackers to inject malicious SQL queries via the ClassName parameter in specially crafted SOAP web requests. With a CVSS score of 9.8 (CRITICAL), successful exploitation can lead to complete compromise of data (confidentiality, integrity, and availability). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
3.0.1.2\/7.5.4989.33053CPE matchmatch criteria
cpe:2.3:a:aveva:edna_enterprise_data_historian:3.0.1.2\/7.5.4989.33053:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.91%
Probability of exploitation in next 30 days
EPSS Percentile
85.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0291 is in the 77th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

talosintelligence.com / vulnerability_reports/TALOS-2020-1106
ExploitTechnical DescriptionThird Party Advisory
us-cert.cisa.gov / ics/advisories/icsa-20-254-01
Third Party AdvisoryUS Government Resource