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CVE-2021-2039

23
FAUCET Score

CVE-2021-2039 is a vulnerability within the Search component of Oracle Siebel CRM's Siebel Core - Server Framework, affecting versions 20.12 and prior. This easily exploitable vulnerability allows a low-privileged attacker with network access via HTTP to compromise the Siebel Core - Server Framework. Successful attacks require human interaction from another user and can lead to unauthorized access to critical data, complete access to all accessible data, and unauthorized modification of some data. With a CVSS 3.1 Base Score of 7.6 (High), it poses significant confidentiality and integrity risks. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 20.12CPE matchmatch criteria
cpe:2.3:a:oracle:siebel_core_-_server_framework:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.6HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.94%
Probability of exploitation in next 30 days
EPSS Percentile
57.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0094 is in the 74th percentile among its peer group of 890 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.1 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

Vendor Patches (1)

oraclevendor investigatingvia nvd_reference
View patch

References

oracle.com / security-alerts/cpujan2021.html
Vendor Advisory