How severe is CVE-2020-27558?

CVE-2020-27558 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-27558 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-27558?

CVE-2020-27558 affects Basetech Ge-131 Bt-1837836 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27558?

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

When was CVE-2020-27558 published?

CVE-2020-27558 was published on 2020-11-17 and last updated on 2026-06-17.

CVE-2020-27558

CVE-2020-27558 is a medium-severity vulnerability in Basetech Ge-131 Bt-1837836 Firmware with a CVSS 3.x base score of 6.5. 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-287.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Basetech Ge-131 Bt-1837836 Firmware
Published: 2020-11-17
Last modified: 2026-06-17

Description

Use of an undocumented user in BASETech GE-131 BT-1837836 firmware 20180921 allows remote attackers to view the video stream.

Frequently asked questions

What is CVE-2020-27558?: Use of an undocumented user in BASETech GE-131 BT-1837836 firmware 20180921 allows remote attackers to view the video stream.
How severe is CVE-2020-27558?: CVE-2020-27558 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-27558 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27558?: CVE-2020-27558 affects Basetech Ge-131 Bt-1837836 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27558?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-27558 published?: CVE-2020-27558 was published on 2020-11-17 and last updated on 2026-06-17.

References

https://infosec.rm-it.de/2020/11/04/basetech-ip-camera-analysis/#vulns

Affected products (1)

cpe:2.3:o:basetech:ge-131_bt-1837836_firmware:20180921:*:*:*:*:*:*:*

More vulnerabilities in Basetech Ge-131 Bt-1837836 Firmware

CVE-2020-27555 — Critical (CVSS 9.8): Use of default credentials for the telnet server in BASETech GE-131 BT-1837836 firmware 20180921 allows remote…
CVE-2020-27554 — High (CVSS 7.5): Cleartext Transmission of Sensitive Information vulnerability in BASETech GE-131 BT-1837836 firmware 20180921 exists…
CVE-2020-27553 — High (CVSS 7.5): In BASETech GE-131 BT-1837836 firmware 20180921, the web-server on the system is configured with the option…
CVE-2020-27557 — Medium (CVSS 5.5): Unprotected Storage of Credentials vulnerability in BASETech GE-131 BT-1837836 firmware 20180921 allows local users to…
CVE-2020-27556 — Medium (CVSS 5.3): A predictable device ID in BASETech GE-131 BT-1837836 firmware 20180921 allows unauthenticated remote attackers to…

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