Skip to content
Fencer Vulns
medium 5.9

CVE-2021-35666 json

Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: OSSL Module).

published 2021-10-20 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-22302

cvss
5.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: OSSL Module). The supported version that is affected is 11.1.1.9.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle HTTP Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle HTTP Server accessible data. CVSS 3.1 Base Score 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).

Patch / fix

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 7.1 AV:N/AC:M/Au:N/C:C/I:N/A:N

Affected products

  • Oracle Corporation HTTP Server

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.