What is the CVSS score of CVE-2018-15504?

CVE-2018-15504 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 2.8%.

Is there a public PoC exploit available for CVE-2018-15504?

Yes, a public proof-of-concept exploit is available for CVE-2018-15504. Prioritise patching immediately. EPSS: 2.8%.

Is there a patch available for CVE-2018-15504?

Yes, a patch is available for CVE-2018-15504. Update the affected software to the latest version immediately.

Appweb CVE-2018-15504

HIGH

NULL Pointer Dereference (CWE-476)

2018-08-18 cve@mitre.org

Null Pointer Dereference Denial Of Service Appweb Goahead Junos

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Aug 18, 2018 - 03:29 nvd

HIGH 7.5

DescriptionNVD

An issue was discovered in Embedthis GoAhead before 4.0.1 and Appweb before 7.0.2. The server mishandles some HTTP request fields associated with time, which results in a NULL pointer dereference, as demonstrated by If-Modified-Since or If-Unmodified-Since with a month greater than 11.

AnalysisAI

An issue was discovered in Embedthis GoAhead before 4.0.1 and Appweb before 7.0.2. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. An issue was discovered in Embedthis GoAhead before 4.0.1 and Appweb before 7.0.2. The server mishandles some HTTP request fields associated with time, which results in a NULL pointer dereference, as demonstrated by If-Modified-Since or If-Unmodified-Since with a month greater than 11. Affected products include: Embedthis Appweb, Embedthis Goahead, Juniper Junos. Version information: before 4.0.1.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.