How severe is CVE-2020-7748?

CVE-2020-7748 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2020-7748 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7748?

CVE-2020-7748 affects Ts.ed Project Ts.ed. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7748?

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

When was CVE-2020-7748 published?

CVE-2020-7748 was published on 2020-10-20 and last updated on 2026-06-17.

CVE-2020-7748

CVE-2020-7748 is a medium-severity vulnerability in Ts.ed Project Ts.ed with a CVSS 3.x base score of 5.6. 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-1321.

Key facts

Severity: Medium (CVSS 3.x base score 5.6)
CVSS v2: 6.8
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1321
Affected product: Ts.ed Project Ts.ed
Published: 2020-10-20
Last modified: 2026-06-17

Description

This affects the package @tsed/core before 5.65.7. This vulnerability relates to the deepExtend function which is used as part of the utils directory. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.

Frequently asked questions

What is CVE-2020-7748?: This affects the package @tsed/core before 5.65.7. This vulnerability relates to the deepExtend function which is used as part of the utils directory. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.
How severe is CVE-2020-7748?: CVE-2020-7748 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2020-7748 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7748?: CVE-2020-7748 affects Ts.ed Project Ts.ed. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7748?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-7748 published?: CVE-2020-7748 was published on 2020-10-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ts.ed_project:ts.ed:*:*:*:*:*:node.js:*:*

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