How severe is CVE-2020-12134?

CVE-2020-12134 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-12134 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12134?

CVE-2020-12134 primarily affects Nanometrics Centaur. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-12134?

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-2020-12134 published?

CVE-2020-12134 was published on 2020-04-24 and last updated on 2026-06-17.

CVE-2020-12134

CVE-2020-12134 is a critical-severity vulnerability in Nanometrics Centaur with a CVSS 3.x base score of 9.8. 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-772.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-772
Affected product: Nanometrics Centaur
Published: 2020-04-24
Last modified: 2026-06-17

Description

Nanometrics Centaur through 4.3.23 and TitanSMA through 4.2.20 mishandle access control for the syslog log.

Frequently asked questions

What is CVE-2020-12134?: Nanometrics Centaur through 4.3.23 and TitanSMA through 4.2.20 mishandle access control for the syslog log.
How severe is CVE-2020-12134?: CVE-2020-12134 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-12134 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12134?: CVE-2020-12134 primarily affects Nanometrics Centaur. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-12134?: 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-2020-12134 published?: CVE-2020-12134 was published on 2020-04-24 and last updated on 2026-06-17.

References

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5562.php

Affected products (2)

cpe:2.3:a:nanometrics:centaur:*:*:*:*:*:*:*:*
cpe:2.3:a:nanometrics:titansma:*:*:*:*:*:*:*:*

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CVE-2018-19760 — High (CVSS 8.8): cfg_init in confuse.c in libConfuse 3.2.2 has a memory leak.
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