The canonicalize_username function in svnserve/cyrus_auth.c in Apache Subversion before 1.8.16 and 1.9.x before 1.9.4, when Cyrus SASL authentication is used, allows remote attackers to authenticate and bypass intended access restrictions via a realm string that is a prefix of an expected repository realm string.
結論預警: CVE-2016-2167 綜合評估為中等風險(59.8/100):CVSS 技術影響為中級,利用機率偏高(EPSS 6.81%,百分位 93%) 核心證據: EPSS 顯示該漏洞近期被利用的可能性處於高位。 強制指令: 被利用機率偏高—請盤點暴露面並優先安排修補。
風險隨態勢動態變化;本站持續評估並同步更新本頁展示內容。
EPSS 日更估計相對被利用可能性;百分位表示該 CVE 在已評分漏洞中的相對排名(越高表示相對更嚴重)。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化(新 − 舊) |
|---|---|---|---|---|
| 1 | 2026-07-01 | 6.87% | 6.81% | -0.06% |
| 2 | 2026-06-15 | 0.97% | 6.87% | +5.90% |
| 3 | 2026-04-02 | — | 0.97% | — |
完整 EPSS 歷史 (共 20 筆)
該 CVE 的 CVSS 指標。
| 底座分 | 版本 | 嚴重度 | 向量 | 可利用性 | 影響 | 分數來源 |
|---|---|---|---|---|---|---|
| 6.8 | 3.0 | MEDIUM |
|
1.6 | 5.2 | [email protected] |
| 4.9 | 2.0 | MEDIUM |
|
6.8 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-2167 not yet assigned priority: Debian including 1 source packages (subversion), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-2167 |
gentoo
|
normal | CVE-2016-2167: 1 GLSA(s) (201610-05), 2 atom(s) (dev-vcs/subversion, net-libs/serf); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-2167 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2016-2167 |
suse
|
low | CVE-2016-2167 severity low: SUSE including 85 source package names (libsvn_auth_gnome_keyring-1-0-1.10.6-1.12, libsvn_auth_gnome_keyring-1-0-1.8.10-21.1, …), 126 product×package rows across 31 product lines (SUSE Linux Enterprise Module for Basesystem 15, SUSE Linux Enterprise Module for Basesystem 15 SP1, … (31 product lines)): Fixed 126. | https://www.suse.com/security/cve/CVE-2016-2167/ |
ubuntu
|
low | CVE-2016-2167 low priority: Ubuntu including 1 source packages (subversion), 8 status rows across 8 suites (artful, precise, trusty, upstream, wily, xenial, yakkety, zesty): not-affected 3, released 3, ignored 2. | https://ubuntu.com/security/CVE-2016-2167 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| apache | subversion | <= 1.8.15 | cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:* |
| apache | subversion | 1.9.0 | cpe:2.3:a:apache:subversion:1.9.0:*:*:*:*:*:*:* |
| apache | subversion | 1.9.1 | cpe:2.3:a:apache:subversion:1.9.1:*:*:*:*:*:*:* |
| apache | subversion | 1.9.2 | cpe:2.3:a:apache:subversion:1.9.2:*:*:*:*:*:*:* |
| apache | subversion | 1.9.3 | cpe:2.3:a:apache:subversion:1.9.3:*:*:*:*:*:*:* |