High severity · published Apr 14, 2022
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…
7.8
CVSS
1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mantisbt · Mantisbt
before 2.25.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-43257
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-43257
Patch
https://github.com/mantisbt/mantisbt/commit/7f4534c723e3162b8784aebda4836324041dbc3e
Exploit
https://www.mantisbt.org/bugs/view.php?id=29130
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