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CVE-2021-2138

18
FAUCET Score

CVE-2021-2138 is a vulnerability affecting Oracle Cloud Infrastructure Data Science Notebook Sessions. A low-privileged attacker with physical access to the communication segment can exploit this to gain unauthorized read, update, insert, or delete access to a subset of accessible data. The vulnerability has a CVSS 3.1 Base Score of 4.6 (Medium), indicating a network-adjacent attack vector with low complexity and low impact on confidentiality and integrity. There is no public exploit code available, and it is not listed on the CISA KEV catalog. Community discussion and media coverage for this CVE are minimal, suggesting a low level of public attention.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:oracle:cloud_infrastructure_data_science:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.6MEDIUM

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.44%
Probability of exploitation in next 30 days
EPSS Percentile
36.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0044 is in the 61st percentile among its peer group of 314 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

support.oracle.com
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