What is the CVSS score of CVE-2020-11617?

CVE-2020-11617 has a CVSS 3.1 base score of 5.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2020-11617?

Yes, a public proof-of-concept exploit is available for CVE-2020-11617. Prioritise patching immediately. EPSS: 0.4%.

Tht741Fta Firmware CVE-2020-11617

MEDIUM

Improper Certificate Validation (CWE-295)

2020-08-31 cve@mitre.org

Information Disclosure Tht741Fta Firmware Dtr3502Bfta Dvb T2 Firmware

5.9

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.9 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Aug 31, 2020 - 15:15 nvd

MEDIUM 5.9

DescriptionNVD

AnalysisAI

The RSS application on THOMSON THT741FTA 2.2.1 and Philips DTR3502BFTA DVB-T2 2.2.1 set-top boxes doesn't validate the SSL certificates of RSS servers, which allows a man-in-the-middle attacker to. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-295. The RSS application on THOMSON THT741FTA 2.2.1 and Philips DTR3502BFTA DVB-T2 2.2.1 set-top boxes doesn't validate the SSL certificates of RSS servers, which allows a man-in-the-middle attacker to modify the data delivered to the client. Affected products include: Thomsonstb Tht741Fta Firmware, Philips Dtr3502Bfta Dvb-T2 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.