CVE-2019-25043
CVE-2019-25043 is a medium-severity vulnerability in Owasp Modsecurity with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-755.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (65th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-755
- Affected product: Owasp Modsecurity
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2019-25043?
- CVE-2019-25043 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2019-25043 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-25043?
- CVE-2019-25043 affects Owasp Modsecurity. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-25043?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2019-25043 published?
- CVE-2019-25043 was published on 2021-05-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:owasp:modsecurity:*:*:*:*:*:*:*:*
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