SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-33731

A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2 Update 1).

HIGH 7.2EPSS 46.6%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 46.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2 Update 1). A privileged authenticated attacker could execute arbitrary commands in the local database by sending crafted requests to the webserver of the affected application.

CVSS 3.1
7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
46.59% probability · 99th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-89
Affected
siemens/sinec nms
Source
productcert@siemens.com
EPSS trend
0%25%50%3 November 2026: 46.59%3 November 20263 November 2026

EPSS 46.6% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. 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.