How severe is CVE-2020-12593?

CVE-2020-12593 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-12593 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12593?

CVE-2020-12593 affects Symantec Endpoint Detection And Response. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-12593?

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-2020-12593 published?

CVE-2020-12593 was published on 2020-11-18 and last updated on 2026-06-17.

CVE-2020-12593

CVE-2020-12593 is a high-severity vulnerability in Symantec Endpoint Detection And Response 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.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Symantec Endpoint Detection And Response
Published: 2020-11-18
Last modified: 2026-06-17

Description

Symantec Endpoint Detection & Response, prior to 4.5, may be susceptible to an information disclosure issue, which is a type of vulnerability that could potentially allow unauthorized access to data.

Frequently asked questions

What is CVE-2020-12593?: Symantec Endpoint Detection & Response, prior to 4.5, may be susceptible to an information disclosure issue, which is a type of vulnerability that could potentially allow unauthorized access to data.
How severe is CVE-2020-12593?: CVE-2020-12593 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-12593 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12593?: CVE-2020-12593 affects Symantec Endpoint Detection And Response. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-12593?: 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-2020-12593 published?: CVE-2020-12593 was published on 2020-11-18 and last updated on 2026-06-17.

References

https://support.broadcom.com/security-advisory/content/security-advisories/Symantec-Endpoint-Detection-Response-Security-Update/SYMSA16562

Affected products (1)

cpe:2.3:a:symantec:endpoint_detection_and_response:*:*:*:*:*:*:*:*

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