Security readout for executives and security teams
Plain-English summary
This CVE describes an access control flaw in an Evoh NFT EvohClaimable smart contract. The reported impact is fraudulent NFT transfers, meaning ownership or transfer integrity may be affected. The sources do not identify a vendor, affected product version, patch, or active exploitation.
Executive priority
Treat this as a targeted Web3 asset-integrity issue, not a broad enterprise software emergency. Prioritize action if the organization owns, custodies, sells, or depends on Evoh NFT assets connected to the referenced contract.
Technical view
CVE-2022-35621 is mapped to CWE-284 and CVSS 3.1 score 5.3. The vector is network-accessible, low complexity, no privileges, no user interaction, with low integrity impact only. The vulnerable artifact is identified by a SHA-256 contract hash, but affected product metadata is listed as n/a.
Likely exposure
Exposure appears limited to parties using or relying on the referenced Evoh NFT EvohClaimable contract or assets transferred through it. The bundle does not provide chain, address, deployment, vendor, or version details, so asset-specific verification is required.
Exploitation context
The CVE says remote attackers can execute fraudulent NFT transfers. However, KEV is false, and the provided sources do not confirm active exploitation, exploit maturity, affected deployments, or remediation status.
Researcher notes
Evidence is sparse. Affected vendor, product, versions, chain, address, and fix are not provided in the bundle. Anchor analysis to the exact hash and public reference, and avoid extrapolating to unrelated NFT contracts without confirmation.
Mitigation direction
- Check the referenced project or vendor guidance for any migration or replacement instructions.
- Pause business reliance on NFTs tied to the affected contract until ownership integrity is verified.
- Review marketplace, wallet, and custody controls for assets associated with the contract.
- Monitor the CVE record and GitHub reference for remediation updates.
- Preserve transaction evidence if suspicious transfers are identified.
Validation and detection
- Inventory Web3 assets for links to the referenced EvohClaimable contract hash.
- Verify whether organizational wallets interacted with the affected contract.
- Review ownership and transfer history for unexpected NFT movements.
- Confirm whether any marketplace listings depend on disputed asset ownership.
- Track CVE and repository updates for clarified affected deployments or fixes.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-35621 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/MacherCS/CVE_Evoh_ContractCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.