How severe is CVE-2023-27290?

CVE-2023-27290 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-27290 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27290?

CVE-2023-27290 primarily affects Ibm Observability With Instana. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-27290?

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

When was CVE-2023-27290 published?

CVE-2023-27290 was published on 2023-03-03 and last updated on 2026-06-17.

CVE-2023-27290

CVE-2023-27290 is a critical-severity vulnerability in Ibm Observability With Instana with a CVSS 3.x base score of 9.1. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 9% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Ibm Observability With Instana
Published: 2023-03-03
Last modified: 2026-06-17

Description

Docker based datastores for IBM Instana (IBM Observability with Instana 239-0 through 239-2, 241-0 through 241-2, and 243-0) do not currently require authentication. Due to this, an attacker within the network could access the datastores with read/write access. IBM X-Force ID: 248737.

Frequently asked questions

What is CVE-2023-27290?: Docker based datastores for IBM Instana (IBM Observability with Instana 239-0 through 239-2, 241-0 through 241-2, and 243-0) do not currently require authentication. Due to this, an attacker within the network could access the datastores with read/write access. IBM X-Force ID: 248737.
How severe is CVE-2023-27290?: CVE-2023-27290 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-27290 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27290?: CVE-2023-27290 primarily affects Ibm Observability With Instana. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-27290?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-27290 published?: CVE-2023-27290 was published on 2023-03-03 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:ibm:observability_with_instana:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:observability_with_instana:243-0:*:*:*:*:*:*:*

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