Is CVE-2023-26488 in the CISA KEV catalog?

No. CVE-2023-26488 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-26488?

CVE-2023-26488 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2023-26488?

CVE-2023-26488 has an EPSS score of 0.71% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-26488?

Upgrade contracts to 4.8.2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-26488

MEDIUM

6.5

CVSS v3

NVD

Description

OpenZeppelin Contracts is a library for secure smart contract development. The ERC721Consecutive contract designed for minting NFTs in batches does not update balances when a batch has size 1 and consists of a single token. Subsequent transfers from the receiver of that token may overflow the balance as reported by `balanceOf`. The issue exclusively presents with batches of size 1. The issue has been patched in 4.8.2.

CWE-682

How to fix

Remediation Available

contractsNVD

Affected:>= 4.8.0, < 4.8.2Fixed in:4.8.2CVE-2023-26488derived from NVD

contracts upgradeableNVD

Affected:>= 4.8.0, < 4.8.2Fixed in:4.8.2CVE-2023-26488derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

0.71%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

github.com

Release Notes1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.