Medium severity · published May 6, 2021
CVE-2019-25043
ModSecurity 3.x before 3.0.4 mishandles key-value pair parsing, as demonstrated by a "string index out of range" error and worker-process crash for a "Cookie: =abc" header
5.3
CVSS
1.2%
EPSS
No
On KEV
Description
ModSecurity 3.x before 3.0.4 mishandles key-value pair parsing, as demonstrated by a "string index out of range" error and worker-process crash for a "Cookie: =abc" header.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Modsecurity · Owasp
3.0.0 before 3.0.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-25043
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-25043
Exploit
https://github.com/SpiderLabs/ModSecurity/issues/2566
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