SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-2138

Vulnerability in the Oracle Cloud Infrastructure Data Science Notebook Sessions.

MEDIUM 4.6EPSS 0.46%

Does this matter?

Lower severity and a low EPSS score (0.46%). Track it; it rarely justifies an emergency change on its own.

Description

Vulnerability in the Oracle Cloud Infrastructure Data Science Notebook Sessions. Easily exploitable vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the Oracle Cloud Infrastructure Data Science Notebook Sessions executes to compromise Oracle Cloud Infrastructure Data Science Notebook Sessions. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Cloud Infrastructure Data Science Notebook Sessions accessible data as well as unauthorized read access to a subset of Oracle Cloud Infrastructure Data Science Notebook Sessions accessible data. All affected customers were notified of CVE-2021-2138 by Oracle. CVSS 3.1 Base Score 4.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N)

CVSS 3.1
4.6 MEDIUMCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS
0.46% probability · 39th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
oracle/cloud infrastructure data science
Source
secalert_us@oracle.com
EPSS trend
0%3%5%26 October 2026: 0.46%26 October 202626 October 2026

EPSS 0.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.