How severe is CVE-2020-5830?

CVE-2020-5830 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-5830 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5830?

CVE-2020-5830 primarily affects Symantec Endpoint Protection Manager. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-5830?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-5830 published?

CVE-2020-5830 was published on 2020-02-11 and last updated on 2026-06-17.

CVE-2020-5830

CVE-2020-5830 is a low-severity vulnerability in Symantec Endpoint Protection Manager with a CVSS 3.x base score of 3.3. 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-125.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 2.1
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Symantec Endpoint Protection Manager
Published: 2020-02-11
Last modified: 2026-06-17

Description

Symantec Endpoint Protection Manager (SEPM), prior to 14.2 RU2 MP1, may be susceptible to an out of bounds vulnerability, which is a type of issue that results in an existing application reading memory outside of the bounds of the memory that had been allocated to the program.

Frequently asked questions

What is CVE-2020-5830?: Symantec Endpoint Protection Manager (SEPM), prior to 14.2 RU2 MP1, may be susceptible to an out of bounds vulnerability, which is a type of issue that results in an existing application reading memory outside of the bounds of the memory that had been allocated to the program.
How severe is CVE-2020-5830?: CVE-2020-5830 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-5830 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5830?: CVE-2020-5830 primarily affects Symantec Endpoint Protection Manager. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-5830?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-5830 published?: CVE-2020-5830 was published on 2020-02-11 and last updated on 2026-06-17.

References

https://support.symantec.com/us/en/article.SYMSA1505.html

Affected products (6)

cpe:2.3:a:symantec:endpoint_protection_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection_manager:14.2:-:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection_manager:14.2:mp1:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection_manager:14.2:ru1:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection_manager:14.2:ru1-mp1:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection_manager:14.2:ru2:*:*:*:*:*:*

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Other CWE-125 (Out-of-bounds Read) vulnerabilities

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CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

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