How severe is CVE-2020-11617?

CVE-2020-11617 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-11617 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11617?

CVE-2020-11617 primarily affects Thomsonstb Tht741fta Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11617?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-11617 published?

CVE-2020-11617 was published on 2020-08-31 and last updated on 2026-06-17.

CVE-2020-11617

CVE-2020-11617 is a medium-severity vulnerability in Thomsonstb Tht741fta Firmware with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Thomsonstb Tht741fta Firmware
Published: 2020-08-31
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2020-11617?: 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.
How severe is CVE-2020-11617?: CVE-2020-11617 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-11617 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11617?: CVE-2020-11617 primarily affects Thomsonstb Tht741fta Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11617?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-11617 published?: CVE-2020-11617 was published on 2020-08-31 and last updated on 2026-06-17.

References

https://decoded.avast.io/vladislaviliushin/flaws-in-dvb-t2-set-top-boxes-exposed/

Affected products (2)

cpe:2.3:o:thomsonstb:tht741fta_firmware:2.2.1:*:*:*:*:*:*:*
cpe:2.3:o:philips:dtr3502bfta_dvb-t2_firmware:2.2.1:*:*:*:*:*:*:*

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