What is the CVSS score of CVE-2019-11682?

CVE-2019-11682 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: 3.2%.

Is there a public PoC exploit available for CVE-2019-11682?

Yes, a public proof-of-concept exploit is available for CVE-2019-11682. Prioritise patching immediately. EPSS: 3.2%.

Mailcarrier CVE-2019-11682

CRITICAL

Out-of-bounds Write (CWE-787)

2019-05-02 cve@mitre.org

Buffer Overflow RCE Memory Corruption Mailcarrier

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

May 02, 2019 - 16:29 nvd

CRITICAL 9.8

DescriptionNVD

A buffer overflow in the SMTP response service in MailCarrier 2.51 allows the attacker to execute arbitrary code remotely via a long HELP command, a related issue to CVE-2019-11395.

AnalysisAI

A buffer overflow in the SMTP response service in MailCarrier 2.51 allows the attacker to execute arbitrary code remotely via a long HELP command, a related issue to CVE-2019-11395. 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 Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. A buffer overflow in the SMTP response service in MailCarrier 2.51 allows the attacker to execute arbitrary code remotely via a long HELP command, a related issue to CVE-2019-11395. Affected products include: Tabslab Mailcarrier.

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).