CVE-2015-2286

lms/templates/footer-edx-new.html in Open edX edx-platform before 2015-01-29 does not properly restrict links on the password-reset page, which allows user-assisted remote attackers to discover password-reset tokens by reading a referer log after a victim navigates from this page to a social-sharing site.

Published: 2016-03-19 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-2286 is rated Moderate Risk (55.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.05%). EPSS rose +1.71% over the last day, indicating growing attacker interest. Review affected assets and schedule 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-2015-2286

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 0.34% 2.05% +1.71%
2 2025-07-11 0.76% 0.34% -0.42%
3 2025-07-04 — 0.76% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-2286

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N 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:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 3.6 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2015-2286

Affected software / configurations for CVE-2015-2286

Vendor Product Version Raw CPE
edx open_edx <= 2015-01-27 cpe:2.3:a:edx:open_edx:*:*:*:*:*:*:*:*

References for CVE-2015-2286

cvelogic Threat Intelligence