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CVE-2021-2452

25
FAUCET Score

CVE-2021-2452 is a denial-of-service vulnerability affecting Oracle Outside In Technology, specifically version 8.5.5 of the Outside In Filters component. An unauthenticated attacker can exploit this remotely via HTTP, causing the affected software to hang or repeatedly crash. With a CVSS v3.1 score of 7.5 (High), this vulnerability primarily impacts availability. While easily exploitable over a network, there is currently no public exploit code, Metasploit modules, or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
8.5.5CPE matchmatch criteria
cpe:2.3:a:oracle:outside_in_technology:8.5.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.06%
Probability of exploitation in next 30 days
EPSS Percentile
61.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0106 is in the 38th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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/cpujul2021.html
Vendor Advisory