CVE-2019-10686

An SSRF vulnerability was found in an API from Ctrip Apollo through 1.4.0-SNAPSHOT. An attacker may use it to do an intranet port scan or raise a GET request via /system-info/health because the %23 substring is mishandled.

Published: 2019-04-01 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-10686 is rated High Risk (66.4/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.56%). EPSS rose +1.21% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-10686

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.35% 1.56% +1.21%
2 2025-03-30 0.73% 0.35% -0.38%
3 2025-03-29 — 0.73% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-10686

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 6.0 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2019-10686

GitHub Security Advisory for CVE-2019-10686

GHSA-fvx3-g627-phm2 · Severity: critical · Ecosystem: maven — Server-Side Request Forgery (SSRF) in com.ctrip.framework.apollo:apollo

OS Trackers for CVE-2019-10686

vendor priority summary link
alpine critical CVE-2019-10686: 1 source package rows (apollo); 26 state rows across 3 repos (3.22-community, 3.23-community, edge-community); fixed 0, open 26. https://security.alpinelinux.org/vuln/CVE-2019-10686

Affected software / configurations for CVE-2019-10686

Vendor Product Version Raw CPE
ctrip apollo <= 1.3.0 cpe:2.3:a:ctrip:apollo:*:*:*:*:*:*:*:*

References for CVE-2019-10686

URL Tags
https://github.com/ctripcorp/apollo/issues/2103 Third Party Advisory
cvelogic Threat Intelligence