How severe is CVE-2020-25621?

CVE-2020-25621 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-25621 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25621?

CVE-2020-25621 affects Solarwinds N-central. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-25621?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-25621 published?

CVE-2020-25621 was published on 2020-12-16 and last updated on 2026-06-17.

CVE-2020-25621

CVE-2020-25621 is a high-severity vulnerability in Solarwinds N-central with a CVSS 3.x base score of 8.4. 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-306.

Key facts

Severity: High (CVSS 3.x base score 8.4)
CVSS v2: 2.1
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Solarwinds N-central
Published: 2020-12-16
Last modified: 2026-06-17

Description

An issue was discovered in SolarWinds N-Central 12.3.0.670. The local database does not require authentication: security is only based on ability to access a network interface. The database has keys and passwords.

Frequently asked questions

What is CVE-2020-25621?: An issue was discovered in SolarWinds N-Central 12.3.0.670. The local database does not require authentication: security is only based on ability to access a network interface. The database has keys and passwords.
How severe is CVE-2020-25621?: CVE-2020-25621 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-25621 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25621?: CVE-2020-25621 affects Solarwinds N-central. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-25621?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-25621 published?: CVE-2020-25621 was published on 2020-12-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:solarwinds:n-central:12.3.0.670:*:*:*:*:*:*:*

More vulnerabilities in Solarwinds N-central

CVE-2020-25622 — High (CVSS 8.8): An issue was discovered in SolarWinds N-Central 12.3.0.670. The AdvancedScripts HTTP endpoint allows CSRF.
CVE-2020-25618 — High (CVSS 8.8): An issue was discovered in SolarWinds N-Central 12.3.0.670. The sudo configuration has incorrect access control because…
CVE-2020-25617 — High (CVSS 8.8): An issue was discovered in SolarWinds N-Central 12.3.0.670. The AdvancedScripts HTTP endpoint allows Relative Path…
CVE-2020-15909 — High (CVSS 8.8): SolarWinds N-central through 2020.1 allows session hijacking and requires user interaction or physical access. The…
CVE-2020-25620 — High (CVSS 7.8): An issue was discovered in SolarWinds N-Central 12.3.0.670. Hard-coded Credentials exist by default for local user…
CVE-2020-7984 — High (CVSS 7.5): SolarWinds N-central before 12.1 SP1 HF5 and 12.2 before SP1 HF2 allows remote attackers to retrieve cleartext domain…

All CVEs affecting Solarwinds N-central →

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