What is CVE-2021-43257?

CVE-2021-43257 is a high-severity vulnerability in Mantisbt, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 7.8/10. Published 2022-04-14.

How severe is CVE-2021-43257?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Mantisbt

CVE-2021-43257

Lack of Neutralization of Formula Elements in the CSV API of MantisBT before 2.25.3 allows an unprivileged attacker to execute code or gain access to information when a user opens the csv_export.php generated CSV file in Excel.

EPSS: 0.009 (56.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Mantisbt
N/a — versions n/a

Weakness classification (CWE)

CWE-1236 — Improper Neutralization of Formula Elements in a CSV File

References

cve@mitre.org (Exploit, Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-43257?: CVE-2021-43257 is a high-severity vulnerability in Mantisbt, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 7.8/10. Published 2022-04-14.
How severe is CVE-2021-43257?: High severity. CVSS v3 base score is 7.8 out of 10.