CVE-2019-11767

Server side request forgery (SSRF) in phpBB before 3.2.6 allows checking for the existence of files and services on the local network of the host through the remote avatar upload function.

Published: 2019-05-05 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-11767 is rated Low Risk (37.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.22%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2019-11767

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 2025-03-30 0.46% 0.22% -0.24%
2 2025-03-29 0.20% 0.46% +0.26%
3 2025-03-17 — 0.20% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-11767

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.8 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/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: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:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 1.4 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/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:L)
Exploitation conditions are straightforward and predictable.
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.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2019-11767

GitHub Security Advisory for CVE-2019-11767

GHSA-4hx9-p925-qcv7 · Severity: medium · Ecosystem: composer — phpBB Server side request forgery (SSRF)

OS Trackers for CVE-2019-11767

vendor priority summary link
ubuntu medium CVE-2019-11767 medium priority: Ubuntu including 1 source packages (phpbb3), 19 status rows across 19 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 16, needed 2, needs-triage 1. https://ubuntu.com/security/CVE-2019-11767

Affected software / configurations for CVE-2019-11767

Vendor Product Version Raw CPE
phpbb phpbb < 3.2.6 cpe:2.3:a:phpbb:phpbb:*:*:*:*:*:*:*:*

References for CVE-2019-11767

cvelogic Threat Intelligence