Is CVE-2021-2303 in the CISA KEV catalog?

No. CVE-2021-2303 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-2303?

CVE-2021-2303 has a CVSS v3 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2021-2303?

CVE-2021-2303 has an EPSS score of 1.45% (70th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-2303?

Upgrade oss support tools to 2.12.41 or later.

CVE & CISA-KEV Catalog

CVE-2021-2303

MEDIUMEPSS 70th pctl

4.9

CVSS v3

NVD

Description

Vulnerability in the OSS Support Tools product of Oracle Support Tools (component: Diagnostic Assistant). The supported version that is affected is Prior to 2.12.41. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise OSS Support Tools. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all OSS Support Tools accessible data. CVSS 3.1 Base Score 4.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N).

How to fix

Remediation Available

oss support toolsNVD

Affected:< 2.12.41Fixed in:2.12.41CVE-2021-2303derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

1.45%probability of exploitation in 30 days

70thpercentile

Elevated risk: more likely to be exploited than 70% of all known CVEs.

References

Patch1

oracle.com

Third-Party Advisory1

zerodayinitiative.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.