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CVE-2021-35574 Oracle Outside In Technology

Affected softwareOracle Outside In Technology
Affected versions8.5.5
Severity7.5 High CVSS 3.1 3 scores
Fixed inOracle Critical Patch Update October 2021
Published20 Oct 2021
Updated17 Jun 2026

Description

Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Filters). The supported version that is affected is 8.5.5. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Outside In Technology. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Outside In Technology. Note: Outside In Technology is a suite of software development kits (SDKs). The protocol and CVSS Base Score depend on the software that uses Outside In Technology. The CVSS score assumes that the software passes data received over a network directly to Outside In Technology, but if data is not received over a network the CVSS score may be lower. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 5 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: none
  • Indexed PoC none indexed
  • EPSS 2.0% chance in 30 days

Waratek protection

No exploit published

Within Waratek scope. In the sources we check, nobody has published exploit code for this CVE or reported it being exploited.

This is a proprietary Oracle product. Oracle's security advisory is the source of public detail for this CVE.

  • Protection none
  • Action not pursued
  • Review automated Upstream data
  • Record active
Decided by Nothing to build a rule from yet: no published exploit, no CISA record of exploitation and no source-level change to read
Finding This CVE affects a known product, but nothing published names a fix and nothing published shows an exploit. That is a statement about the evidence, not about the defect — it does not mean the vulnerability is unimportant or unreachable, only that neither of the two things VRT can act on exists.

CVSS

7.5 HIGH v3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 3 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H secalert_us@oracle.com Secondary published
CVSS 3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H NVD Primary
CVSS 2.0 5.0 none AV:N/AC:L/Au:N/C:N/I:N/A:P NVD Primary

Affected software and releases

Oracle advisories

AdvisoryTypeQuarterProducts Oracle names in its risk matrix
Oracle Critical Patch Update April 2022 ↗ CPU 2022-Q2 Oracle Communications / Policy (glibc) (1.15.0)
Oracle Critical Patch Update October 2021 ↗ CPU 2021-Q4 Oracle Fusion Middleware / Outside In Filters (8.5.5)
Oracle's note: Outside In Technology is a suite of software development kits (SDKs). The protocol and CVSS Base Score depend on the software that uses Outside In Technology. The CVSS score assumes that the software passes data received over a network directly to Outside In Technology, but if data is not received over a network the CVSS score may be lower.

Oracle components and versions

FamilyComponentVersions, as Oracle lists themRead as
Oracle Communications Policy (glibc) 1.15.0 1.15.0
Oracle Fusion Middleware Outside In Filters 8.5.5 8.5.5

Products and versions

2 products, 2 version entries
SourceVendorProductSchemeAffected versions
nvd oracle communications cloud native core policy generic 1.15.0
nvd oracle outside in technology generic 8.5.5

References

URLTags
https://www.oracle.com/security-alerts/cpuapr2022.html Vendor Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html Patch, Vendor Advisory

Timeline

Published2021-10-20By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.