What is the CVSS score of CVE-2019-11371?

CVE-2019-11371 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.6%.

Burrow Wheeler Aligner CVE-2019-11371

CRITICAL

Out-of-bounds Write (CWE-787)

2019-04-20 cve@mitre.org

Buffer Overflow Memory Corruption Burrow Wheeler Aligner

9.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Apr 20, 2019 - 18:29 nvd

CRITICAL 9.8

DescriptionNVD

BWA (aka Burrow-Wheeler Aligner) 0.7.17 r1198 has a Buffer Overflow via a long prefix that is mishandled in bns_fasta2bntseq and bns_dump at btnseq.c.

AnalysisAI

BWA (aka Burrow-Wheeler Aligner) 0.7.17 r1198 has a Buffer Overflow via a long prefix that is mishandled in bns_fasta2bntseq and bns_dump at btnseq.c. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. BWA (aka Burrow-Wheeler Aligner) 0.7.17 r1198 has a Buffer Overflow via a long prefix that is mishandled in bns_fasta2bntseq and bns_dump at btnseq.c. Affected products include: Burrow-Wheeler Aligner Project Burrow-Wheeler Aligner.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).