How severe is CVE-2023-1304?

CVE-2023-1304 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-1304 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1304?

CVE-2023-1304 primarily affects Rapid7 Insightappsec. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-1304?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-1304 published?

CVE-2023-1304 was published on 2023-03-21 and last updated on 2026-06-17.

CVE-2023-1304

CVE-2023-1304 is a high-severity vulnerability in Rapid7 Insightappsec with a CVSS 3.x base score of 8.8. 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-94.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Rapid7 Insightappsec
Published: 2023-03-21
Last modified: 2026-06-17

Description

An authenticated attacker can leverage an exposed getattr() method via a Jinja template to smuggle OS commands and perform other actions that are normally expected to be private methods. This issue was resolved in the Managed and SaaS deployments on February 1, 2023, and in version 23.2.1 of the Self-Managed version of InsightCloudSec.

Frequently asked questions

What is CVE-2023-1304?: An authenticated attacker can leverage an exposed getattr() method via a Jinja template to smuggle OS commands and perform other actions that are normally expected to be private methods. This issue was resolved in the Managed and SaaS deployments on February 1, 2023, and in version 23.2.1 of the Self-Managed version of InsightCloudSec.
How severe is CVE-2023-1304?: CVE-2023-1304 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-1304 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1304?: CVE-2023-1304 primarily affects Rapid7 Insightappsec. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-1304?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-1304 published?: CVE-2023-1304 was published on 2023-03-21 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:rapid7:insightappsec:*:*:*:*:self-managed:*:*:*
cpe:2.3:a:rapid7:insightcloudsec:*:*:*:*:managed:*:*:*
cpe:2.3:a:rapid7:insightcloudsec:*:*:*:*:saas:*:*:*

More vulnerabilities in Rapid7 Insightappsec

CVE-2023-1306 — High (CVSS 8.8): An authenticated attacker can leverage an exposed resource.db() accessor method to smuggle Python method calls via a…
CVE-2023-1305 — High (CVSS 8.1): An authenticated attacker can leverage an exposed “box” object to read and write arbitrary files from disk,…
CVE-2019-5631 — High (CVSS 7.8): The Rapid7 InsightAppSec broker suffers from a DLL injection vulnerability in the 'prunsrv.exe' component of the…

All CVEs affecting Rapid7 Insightappsec →

Other CWE-94 (Code Injection) vulnerabilities

CVE-2026-57624 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.46 versions.
CVE-2026-10134 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read…
CVE-2026-53576 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the authentication filter…
CVE-2026-10561 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined…
CVE-2026-25470 — Critical (CVSS 10.0): Improper Control of Generation of Code ('Code Injection') vulnerability in ACPT ACPT (Pro) - Custom Post Types Plugin…
CVE-2026-48836 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Easy Invoice <= 2.1.19 versions.

Browse all CWE-94 (Code Injection) vulnerabilities →