Adminer vulnerabilities1 known to be exploited.
Adminer has 6 published vulnerabilities across 1 product in our catalogue. 1 of them is on the list of flaws known to be exploited, so criminals are using them now. The most affected product is Adminer, with 6. If you run Adminer software, patch the exploited flaws first.
The most recent Adminer flaw added to the known-exploited list is CVE-2021-21311, on 29 September 2025. We keep watching the known-exploited list.
Which Adminer products have the most vulnerabilities?
Adminer leads with 6 published vulnerabilities. Open a product to see its versions and which of its flaws criminals are already using.
Which Adminer vulnerabilities are being exploited?
1 flaw is on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.
- 7.2Adminer Server-Side Request Forgery Vulnerability
Adminer contains a server-side request forgery vulnerability that, when exploited, allows a remote attacker to obtain potentially sensitive information.
Which Adminer flaws are most likely to be used?
Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- 98%
Adminer is an open-source database management in a single PHP file.
- 14%CVE-2021-43008High
Improper Access Control in Adminer versions 1.12.0 to 4.6.2 (fixed in version 4.6.3) allows an attacker to achieve Arbitrary File Read on the remote server by requesting the Adminer to connect to a remote MySQL database.
- 9.6%CVE-2021-29625Medium
Adminer is open-source database management software.
- 5.0%CVE-2018-7667Critical
Adminer through 4.3.1 has SSRF via the server parameter.
- 2.0%CVE-2020-35572Medium
Adminer through 4.7.8 allows XSS via the history parameter to the default URI.
- 0.7%CVE-2025-43960High
Adminer 4.8.1, when using Monolog for logging, allows a Denial of Service (memory consumption) via a crafted serialized payload (e.g., using s:1000000000), leading to a PHP Object Injection issue.
All Adminer products we track.
1 products, most vulnerabilities first. Find the ones you run, then open a product to see its versions and exploited flaws.
Running Adminer? We'll keep checking.
Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.
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- Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
- Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.
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1 flaw being exploited affects software Acme tracks
Adminer contains a server-side request forgery vulnerability that, when exploited, allows a remote attacker to obtain potentially sensitive information.
- Matched to
- Adminer on Acme's software list
- What to do
- Patch first, then check for signs of use
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
Our catalogue lists 6 published vulnerabilities across 1 product and 81 versions from Adminer. The most recent Adminer flaw added to the known-exploited list is CVE-2021-21311, on 29 September 2025.
1 Adminer vulnerability is on the list of flaws known to be exploited. The most recently added is CVE-2021-21311. The full list is on this page.
Adminer, with 6 published vulnerabilities. Its own page lists the ones known to be exploited.
Create a EdgeProtect account and track the Adminer products you run. We match them against every published flaw, give each one a risk score from 0 to 100 and tell you as soon as we spot one that affects you, by email, in the app or by webhook.