How severe is CVE-2020-35962?

CVE-2020-35962 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 none, integrity high, and availability none.

Is CVE-2020-35962 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35962?

CVE-2020-35962 affects Loopring. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-35962?

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-2020-35962 published?

CVE-2020-35962 was published on 2021-01-03 and last updated on 2026-06-17.

CVE-2020-35962

CVE-2020-35962 is a high-severity vulnerability in Loopring 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: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Loopring
Published: 2021-01-03
Last modified: 2026-06-17

Description

The sellTokenForLRC function in the vault protocol in the smart contract implementation for Loopring (LRC), an Ethereum token, lacks access control for fee swapping and thus allows price manipulation.

Frequently asked questions

What is CVE-2020-35962?: The sellTokenForLRC function in the vault protocol in the smart contract implementation for Loopring (LRC), an Ethereum token, lacks access control for fee swapping and thus allows price manipulation.
How severe is CVE-2020-35962?: CVE-2020-35962 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 none, integrity high, and availability none.
Is CVE-2020-35962 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35962?: CVE-2020-35962 affects Loopring. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-35962?: 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-2020-35962 published?: CVE-2020-35962 was published on 2021-01-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:loopring:loopring:-:*:*:*:*:*:*:*