Vulnerability in Bigprof Online Invoicing System
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 not have access to.
EPSS: 0.007 (50.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.
Affected products
- Bigprof Online_invoicing_system
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-27839?
- CVE-2021-27839 is a medium-severity vulnerability in Bigprof Online Invoicing System, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 4.4/10. Published 2021-03-03.
- How severe is CVE-2021-27839?
- Medium severity. CVSS v3 base score is 4.4 out of 10.
- Is CVE-2021-27839 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.