How severe is CVE-2024-21870?

CVE-2024-21870 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2024-21870 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21870?

CVE-2024-21870 affects Openautomationsoftware Open Automation Software. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-21870?

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

Does CVE-2024-21870 have an EU (EUVD) identifier?

Yes. CVE-2024-21870 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19481.

When was CVE-2024-21870 published?

CVE-2024-21870 was published on 2024-04-03 and last updated on 2026-06-17.

CVE-2024-21870

CVE-2024-21870 is a medium-severity vulnerability in Openautomationsoftware Open Automation Software with a CVSS 3.x base score of 4.9. 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-73.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19481
Weakness: CWE-73
Affected product: Openautomationsoftware Open Automation Software
Published: 2024-04-03
Last modified: 2026-06-17

Description

A file write vulnerability exists in the OAS Engine Tags Configuration functionality of Open Automation Software OAS Platform V19.00.0057. A specially crafted series of network requests can lead to arbitrary file creation or overwrite. An attacker can send a sequence of requests to trigger this vulnerability.

Frequently asked questions

What is CVE-2024-21870?: A file write vulnerability exists in the OAS Engine Tags Configuration functionality of Open Automation Software OAS Platform V19.00.0057. A specially crafted series of network requests can lead to arbitrary file creation or overwrite. An attacker can send a sequence of requests to trigger this vulnerability.
How severe is CVE-2024-21870?: CVE-2024-21870 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2024-21870 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21870?: CVE-2024-21870 affects Openautomationsoftware Open Automation Software. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-21870?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-21870 have an EU (EUVD) identifier?: Yes. CVE-2024-21870 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19481.
When was CVE-2024-21870 published?: CVE-2024-21870 was published on 2024-04-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openautomationsoftware:open_automation_software:19.0.0.57:*:*:*:*:*:*:*

More vulnerabilities in Openautomationsoftware Open Automation Software

CVE-2024-11220 — High (CVSS 7.8): A local low-level user on the server machine with credentials to the running OAS services can create and execute a…
CVE-2024-27201 — Medium (CVSS 4.9): An improper input validation vulnerability exists in the OAS Engine User Configuration functionality of Open Automation…
CVE-2024-24976 — Medium (CVSS 4.9): A denial of service vulnerability exists in the OAS Engine File Data Source Configuration functionality of Open…
CVE-2024-22178 — Medium (CVSS 4.9): A file write vulnerability exists in the OAS Engine Save Security Configuration functionality of Open Automation…

All CVEs affecting Openautomationsoftware Open Automation Software →

Other CWE-73 vulnerabilities

CVE-2025-71338 — Critical (CVSS 10.0): Flowise contains a path traversal vulnerability in the /api/v1/document-store/loader/process endpoint that allows…
CVE-2026-39907 — Critical (CVSS 10.0): Unisys WebPerfect Image Suite versions 3.0.3960.22810 and 3.0.3960.22604 expose an unauthenticated WCF SOAP endpoint on…
CVE-2026-27211 — Critical (CVSS 10.0): Cloud Hypervisor is a Virtual Machine Monitor for Cloud workloads. Versions 34.0 through 50.0 arevulnerable to…
CVE-2025-71334 — Critical (CVSS 9.8): Flowise before 3.0.6 (affected versions 2.2.8 and earlier) contains an arbitrary file access vulnerability due to…
CVE-2025-71333 — Critical (CVSS 9.8): Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments…
CVE-2026-39006 — Critical (CVSS 9.8): An issue in SNMP4J-Agent 3.8.3 allows a remote attacker to execute arbitrary code via the snmp4jCfgStoragePath…

Browse all CWE-73 vulnerabilities →