SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-27839

A CSV injection vulnerability found in Online Invoicing System (OIS) 4.3 and below can be exploited by users to perform malicious actions such as redirecting admins to unknown or harmful websites, or disclosing other clients' details that the user did…

MEDIUM 4.4EPSS 0.72%

Does this matter?

Lower severity and a low EPSS score (0.72%). Track it; it rarely justifies an emergency change on its own.

Description

A CSV injection vulnerability found in Online Invoicing System (OIS) 4.3 and below can be exploited by users to perform malicious actions such as redirecting admins to unknown or harmful websites, or disclosing other clients' details that the user did not have access to.

CVSS 3.1
4.4 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
EPSS
0.72% probability · 52th percentile
CISA KEV
Not listed
Weakness
CWE-1236
Affected
bigprof/online invoicing system
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.