What is the CVSS score of CVE-2017-15639?

CVE-2017-15639 has a CVSS 3.0 base score of 6.5 (Medium). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 4.2%.

Is there a public PoC exploit available for CVE-2017-15639?

Yes, a public proof-of-concept exploit is available for CVE-2017-15639. Prioritise patching immediately. EPSS: 4.2%.

Mura Cms CVE-2017-15639

MEDIUM

Improper Restriction of XML External Entity Reference (CWE-611)

2017-10-19 cve@mitre.org

XXE Mura Cms

6.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Oct 19, 2017 - 19:29 cve.org

MEDIUM 6.5

DescriptionCVE.org

tasks/feed/readRSS.cfm in Mura CMS before 6.2 allows attackers to bypass intended access restrictions by leveraging the "draggable feeds" feature.

AnalysisAI

tasks/feed/readRSS.cfm in Mura CMS before 6.2 allows attackers to bypass intended access restrictions by leveraging the "draggable feeds" feature. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. tasks/feed/readRSS.cfm in Mura CMS before 6.2 allows attackers to bypass intended access restrictions by leveraging the "draggable feeds" feature. Affected products include: Getmura Mura Cms. Version information: before 6.2.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.