SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-1999-0320

SunOS rpc.cmsd allows attackers to obtain root access by overwriting arbitrary files.

HIGH 9.3EPSS 1.31%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

SunOS rpc.cmsd allows attackers to obtain root access by overwriting arbitrary files.

CVSS 2.0
9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS
1.31% probability · 70th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
sun/solaris · sun/sunos
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 1.31%26 October 202626 October 2026

EPSS 1.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.