CVE-2020-13381
CriticalPublic exploitopenSIS through 7.4 allows SQL Injection.
Published Jul 1, 2020 · Updated Aug 27, 2026
Key Facts
Patch immediately- CVE-2020-13381 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Opensis (Os4ed).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 59% probability of exploitation in the next 30 days.
- Fixed versions are available, including Opensis <=7.4, Opensis 7.4.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
59%
Higher than 99.1% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2020-13381 brief as a PDF
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Description
openSIS through 7.4 allows SQL Injection.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| OpensisOs4ed | See advisory | 7.4 |
Patched Releases
Opensis
<=7.4
Timeline
Publicly disclosed
Jul 1, 2020
Last updated
Aug 27, 2026
Weakness Type
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
References
FAQ
Common Questions.
openSIS through 7.4 allows SQL Injection.
Affected: Opensis (Os4ed). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Opensis <=7.4, Opensis 7.4.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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