CVE-2020-5504

Exp

In phpMyAdmin 4 before 4.9.4 and 5 before 5.0.1, SQL injection exists in the user accounts page. A malicious user could inject custom SQL in place of their own username when creating queries to this page. An attacker must have a valid MySQL account to access the server.

Published: 2020-01-09 Last update: 2025-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-5504 is rated High Exploit Risk (88.8/100): CVSS High severity, with high exploitation likelihood (EPSS 22.19%, 96th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +11.54% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2020-5504

EDB-ID Source Kind Published Link
52451 exploit_db edb 2025-12-03 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2020-5504

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 2026-06-05 10.65% 22.19% +11.54%
2 2026-05-31 22.38% 10.65% -11.73%
3 2026-04-15 — 22.38% —

Full EPSS history (30 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-5504

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
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: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.
 2.8 5.9 [email protected]
6.5 2.0 MEDIUM
AV:N/AC:L/Au:S/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:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 6.4 [email protected]

Weakness enumeration for CVE-2020-5504

GitHub Security Advisory for CVE-2020-5504

GHSA-fgj8-93xx-f6g6 · Severity: high · Ecosystem: composer — phpMyAdmin SQL injection in user accounts page

OS Trackers for CVE-2020-5504

vendor priority summary link
alpine — CVE-2020-5504: 1 source package rows (phpmyadmin); 24 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 7, open 17. https://security.alpinelinux.org/vuln/CVE-2020-5504
debian not yet assigned CVE-2020-5504 not yet assigned priority: Debian including 1 source packages (phpmyadmin), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2020-5504
ubuntu medium CVE-2020-5504 medium priority: Ubuntu including 1 source packages (phpmyadmin), 18 status rows across 18 suites (bionic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 7, not-affected 4, needed 3, released 3, DNE 1. https://ubuntu.com/security/CVE-2020-5504

Affected software / configurations for CVE-2020-5504

Vendor Product Version Raw CPE
phpmyadmin phpmyadmin >= 4.0.0, < 4.9.4 cpe:2.3:a:phpmyadmin:phpmyadmin:*:*:*:*:*:*:*:*
phpmyadmin phpmyadmin >= 5.0.0, < 5.0.1 cpe:2.3:a:phpmyadmin:phpmyadmin:*:*:*:*:*:*:*:*
suse suse_linux_enterprise_server 12 cpe:2.3:o:suse:suse_linux_enterprise_server:12:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

References for CVE-2020-5504

cvelogic Threat Intelligence