An Out-of-Bounds Write vulnerability exists when reading a DGN file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DGN files. Crafted data in a DGN file and lack of proper validation of input data can trigger a write operation past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
结论预警: CVE-2021-43390 综合评估为中等风险(58.1/100):CVSS 技术影响为高级,利用概率(EPSS 1.64%) 核心证据: 近一日 EPSS 上升 +1.23%,被利用关注度持续升高。 强制指令: 梳理受影响资产并纳入修补计划。
风险随态势动态变化;本站持续评估并同步更新本页展示内容。
EPSS 日更估计相对被利用可能性;百分位表示该 CVE 在已评分漏洞中的相对排名(越高表示相对更严重)。
| # | 日期 | 旧 EPSS 分数 | 新 EPSS 分数 | 变化(新 − 旧) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.41% | 1.64% | +1.23% |
| 2 | 2026-04-11 | 0.31% | 0.41% | +0.10% |
| 3 | 2025-11-21 | — | 0.31% | — |
完整 EPSS 历史 (共 14 条)
该 CVE 的 CVSS 指标。
| 底座分 | 版本 | 严重度 | 向量 | 可利用性 | 影响 | 分数来源 |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| 厂商 | 产品 | 版本 | 原始 CPE |
|---|---|---|---|
| opendesign | drawings_software_development_kit | < 2022.11 | cpe:2.3:a:opendesign:drawings_software_development_kit:*:*:*:*:*:*:*:* |
| URL | 标签 |
|---|---|
| https://www.opendesign.com/security-advisories | Vendor Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-21-1347/ | Third Party Advisory VDB Entry |
| https://www.zerodayinitiative.com/advisories/ZDI-21-1348/ | Third Party Advisory VDB Entry |
| https://www.zerodayinitiative.com/advisories/ZDI-21-1362/ | Third Party Advisory VDB Entry |