How severe is CVE-2024-27273?

CVE-2024-27273 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-27273 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-27273?

CVE-2024-27273 primarily affects Ibm Vios. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-27273?

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.

Does CVE-2024-27273 have an EU (EUVD) identifier?

Yes. CVE-2024-27273 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24512.

When was CVE-2024-27273 published?

CVE-2024-27273 was published on 2024-05-07 and last updated on 2026-06-17.

CVE-2024-27273

CVE-2024-27273 is a high-severity vulnerability in Ibm Vios with a CVSS 3.x base score of 8.1. 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-266.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-24512
Weakness: CWE-266
Affected product: Ibm Vios
Published: 2024-05-07
Last modified: 2026-06-17

Description

IBM AIX's Unix domain (AIX 7.2, 7.3, VIOS 3.1, and VIOS 4.1) datagram socket implementation could potentially expose applications using Unix domain datagram sockets with SO_PEERID operation and may lead to privilege escalation. IBM X-Force ID: 284903.

Frequently asked questions

What is CVE-2024-27273?: IBM AIX's Unix domain (AIX 7.2, 7.3, VIOS 3.1, and VIOS 4.1) datagram socket implementation could potentially expose applications using Unix domain datagram sockets with SO_PEERID operation and may lead to privilege escalation. IBM X-Force ID: 284903.
How severe is CVE-2024-27273?: CVE-2024-27273 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-27273 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-27273?: CVE-2024-27273 primarily affects Ibm Vios. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-27273?: 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.
Does CVE-2024-27273 have an EU (EUVD) identifier?: Yes. CVE-2024-27273 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24512.
When was CVE-2024-27273 published?: CVE-2024-27273 was published on 2024-05-07 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:ibm:vios:3.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:vios:4.1:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:7.2:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:7.3:*:*:*:*:*:*:*

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