How severe is CVE-2020-1977?

CVE-2020-1977 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-1977 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1977?

CVE-2020-1977 affects Paloaltonetworks Expedition Migration Tool. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-1977?

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-2020-1977 published?

CVE-2020-1977 was published on 2020-02-12 and last updated on 2026-06-17.

CVE-2020-1977

CVE-2020-1977 is a high-severity vulnerability in Paloaltonetworks Expedition Migration Tool with a CVSS 3.x base score of 7.5. 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-352.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.8
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Paloaltonetworks Expedition Migration Tool
Published: 2020-02-12
Last modified: 2026-06-17

Description

Insufficient Cross-Site Request Forgery (XSRF) protection on Expedition Migration Tool allows remote unauthenticated attackers to hijack the authentication of administrators and to perform actions on the Expedition Migration Tool. This issue affects Expedition Migration Tool 1.1.51 and earlier versions.

Frequently asked questions

What is CVE-2020-1977?: Insufficient Cross-Site Request Forgery (XSRF) protection on Expedition Migration Tool allows remote unauthenticated attackers to hijack the authentication of administrators and to perform actions on the Expedition Migration Tool. This issue affects Expedition Migration Tool 1.1.51 and earlier versions.
How severe is CVE-2020-1977?: CVE-2020-1977 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-1977 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1977?: CVE-2020-1977 affects Paloaltonetworks Expedition Migration Tool. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-1977?: 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-2020-1977 published?: CVE-2020-1977 was published on 2020-02-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:paloaltonetworks:expedition_migration_tool:*:*:*:*:*:*:*:*

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