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Fencer Vulns
medium 4.0

CVE-2023-21900 json

Vulnerability in the Oracle Solaris product of Oracle Systems (component: NSSwitch).

published 2023-01-17 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-26065

cvss
4.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

Vulnerability in the Oracle Solaris product of Oracle Systems (component: NSSwitch). Supported versions that are affected are 10 and 11. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise Oracle Solaris. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Solaris, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Solaris accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Solaris. CVSS 3.1 Base Score 4.0 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:N/I:L/A:L).

Patch / fix

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.0 CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:N/I:L/A:L
NVD 3.1 4.0 CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:N/I:L/A:L

Affected products

  • Oracle Corporation Solaris Operating System

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.