CVE-2020-8973
CVE-2020-8973 is a critical-severity vulnerability in Zigor Zgr Tps200 Ng Firmware with a CVSS 3.x base score of 9.3. 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-284.
Key facts
- Severity: Critical (CVSS 3.x base score 9.3)
- EPSS exploit prediction: 0% (35th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-284
- Affected product: Zigor Zgr Tps200 Ng Firmware
- Published:
- Last modified:
Description
ZGR TPS200 NG in its 2.00 firmware version and 1.01 hardware version, does not properly accept specially constructed requests. This allows an attacker with access to the network where the affected asset is located, to operate and change several parameters without having to be registered as a user on the web that owns the device.
Frequently asked questions
- What is CVE-2020-8973?
- ZGR TPS200 NG in its 2.00 firmware version and 1.01 hardware version, does not properly accept specially constructed requests. This allows an attacker with access to the network where the affected asset is located, to operate and change several parameters without having to be registered as a user on the web that owns the device.
- How severe is CVE-2020-8973?
- CVE-2020-8973 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2020-8973 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-8973?
- CVE-2020-8973 affects Zigor Zgr Tps200 Ng Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-8973?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-8973 published?
- CVE-2020-8973 was published on 2022-10-17 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:zigor:zgr_tps200_ng_firmware:2.00:*:*:*:*:*:*:*
More vulnerabilities in Zigor Zgr Tps200 Ng Firmware
- CVE-2020-8974 — Critical (CVSS 10.0): In ZGR TPS200 NG 2.00 firmware version and 1.01 hardware version, the firmware upload process does not perform any type…
- CVE-2020-8976 — Critical (CVSS 9.6): The integrated server of the ZGR TPS200 NG on its 2.00 firmware version and 1.01 hardware version, allows a remote…
- CVE-2020-8975 — High (CVSS 7.5): ZGR TPS200 NG in its 2.00 firmware version and 1.01 hardware version, allows a remote attacker with access to the web…
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