The host_reliable_addrinfo function in support/export/hostname.c in nfs-utils before 1.2.4 does not properly use DNS to verify access to NFS exports, which allows remote attackers to mount filesystems by establishing crafted DNS A and PTR records.
结论预警: CVE-2011-2500 综合评估为中等风险(60.9/100):CVSS 技术影响为高级,利用概率(EPSS 2.54%) 核心证据: 近一日 EPSS 上升 +1.92%,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 | 0.62% | 2.54% | +1.92% |
| 2 | 2025-03-30 | 1.07% | 0.62% | -0.45% |
| 3 | 2025-03-29 | — | 1.07% | — |
完整 EPSS 历史 (共 8 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 |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2011-2500 not yet assigned priority: Debian including 1 source packages (nfs-utils), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2011-2500 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2011-2500 |
ubuntu
|
low | CVE-2011-2500 low priority: Ubuntu including 1 source packages (nfs-utils), 11 status rows across 11 suites (hardy, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream): ignored 6, not-affected 4, released 1. | https://ubuntu.com/security/CVE-2011-2500 |
| 厂商 | 产品 | 版本 | 原始 CPE |
|---|---|---|---|
| linux-nfs | nfs-utils | <= 1.2.3 | cpe:2.3:a:linux-nfs:nfs-utils:*:*:*:*:*:*:*:* |
| linux-nfs | nfs-utils | 1.2.0 | cpe:2.3:a:linux-nfs:nfs-utils:1.2.0:*:*:*:*:*:*:* |
| linux-nfs | nfs-utils | 1.2.1 | cpe:2.3:a:linux-nfs:nfs-utils:1.2.1:*:*:*:*:*:*:* |
| linux-nfs | nfs-utils | 1.2.2 | cpe:2.3:a:linux-nfs:nfs-utils:1.2.2:*:*:*:*:*:*:* |