Page generated: 09 Nov 2026, 06:40 UTC
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CVE-2021-21311

Adminer is an open-source database management in a single PHP file. In adminer from version 4.0.0 and before 4.7.9 there is a server-side request forgery vulnerability. Users of Adminer versions bundling all drivers (e.g. `adminer.php`) are affected. This is fixed in version 4.7.…

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Adminer is an open-source database management in a single PHP file. In adminer from version 4.0.0 and before 4.7.9 there is a server-side request forgery vulnerability. Users of Adminer versions bundling all drivers (e.g. `adminer.php`) are affected. This is fixed in version 4.7.9.
CVSS 7.2 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.6/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 7.2: +1.08
  • Fresh EPSS: 98.46%: +0.49

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 7 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

Recorded Future
Press · 17 Oct 2025, 07:00 · September 2025 CVE Landscape - Recorded Future
The Hacker News
Press · 30 Sep 2025, 07:00 · CISA Sounds Alarm on Critical Sudo Flaw Actively Exploited in Linux and Unix Systems - The Hacker News
SecurityWeek
Press · 30 Sep 2025, 07:00 · Organizations Warned of Exploited Sudo Vulnerability - SecurityWeek
The Hacker News
Press · 24 Sep 2025, 07:00 · Hackers Exploit Pandoc CVE-2025-51591 to Target AWS IMDS and Steal EC2 IAM Credentials - The Hacker News
TechTarget
Press · 05 May 2022, 07:00 · Hackers exploit vulnerable Adminer for AWS database thefts - TechTarget
See all 7 source documents
TechTarget
Press · 05 May 2022, 07:00 · Hackers exploit vulnerable Adminer for AWS database thefts - TechTarget
Google Cloud
Press · 04 May 2022, 07:00 · Old Services, New Tricks: Cloud Metadata Abuse by UNC2903 - Google Cloud

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.6 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

0

Public exploit entries / repo candidates

Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 7.2; EPSS 98.5%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:22.744333+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
11 Feb 2021, 20:55
First press mention
04 May 2022, 07:00
Added to the CISA KEV catalog
29 Sep 2025, 00:00
Latest press mention
17 Oct 2025, 07:00
Score calculated
05 Nov 2026, 13:58