What is the CVSS score of CVE-2018-13421?

CVE-2018-13421 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: 1.8%.

Is there a public PoC exploit available for CVE-2018-13421?

Yes, a public proof-of-concept exploit is available for CVE-2018-13421. Prioritise patching immediately. EPSS: 1.8%.

Fast Cpp Csv Parser CVE-2018-13421

CRITICAL

Out-of-bounds Read (CWE-125)

2018-07-07 cve@mitre.org

Information Disclosure Buffer Overflow Fast Cpp Csv Parser

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

Jul 07, 2018 - 17:29 nvd

CRITICAL 9.8

DescriptionNVD

Fast C++ CSV Parser (aka fast-cpp-csv-parser) before 2018-07-06 has a heap-based buffer over-read in io::trim_chars in csv.h.

AnalysisAI

Fast C++ CSV Parser (aka fast-cpp-csv-parser) before 2018-07-06 has a heap-based buffer over-read in io::trim_chars in csv.h. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. Fast C++ CSV Parser (aka fast-cpp-csv-parser) before 2018-07-06 has a heap-based buffer over-read in io::trim_chars in csv.h. Affected products include: Fast-Cpp-Csv-Parser Project Fast-Cpp-Csv-Parser. Version information: before 2018.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.