How severe is CVE-2018-1000618?

CVE-2018-1000618 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-1000618 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000618?

CVE-2018-1000618 affects Eosio Project Eos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1000618?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-1000618 published?

CVE-2018-1000618 was published on 2018-07-09 and last updated on 2026-06-17.

CVE-2018-1000618

CVE-2018-1000618 is a critical-severity vulnerability in Eosio Project Eos with a CVSS 3.x base score of 9.8. 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-674.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-674
Affected product: Eosio Project Eos
Published: 2018-07-09
Last modified: 2026-06-17

Description

EOSIO/eos eos version after commit f1545dd0ae2b77580c2236fdb70ae7138d2c7168 contains a stack overflow vulnerability in abi_serializer that can result in attack eos network node. This attack appear to be exploitable via network request. This vulnerability appears to have been fixed in after commit cf7209e703e6d3f7a5413e0cb1fe88a4d8e4b38d .

Frequently asked questions

What is CVE-2018-1000618?: EOSIO/eos eos version after commit f1545dd0ae2b77580c2236fdb70ae7138d2c7168 contains a stack overflow vulnerability in abi_serializer that can result in attack eos network node. This attack appear to be exploitable via network request. This vulnerability appears to have been fixed in after commit cf7209e703e6d3f7a5413e0cb1fe88a4d8e4b38d .
How severe is CVE-2018-1000618?: CVE-2018-1000618 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-1000618 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000618?: CVE-2018-1000618 affects Eosio Project Eos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1000618?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-1000618 published?: CVE-2018-1000618 was published on 2018-07-09 and last updated on 2026-06-17.

References

https://github.com/EOSIO/eos/pull/4112

Affected products (1)

cpe:2.3:a:eosio_project:eos:-:*:*:*:*:*:*:*

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