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CVE-2020-18151· NVD / CVE Program· CNA mitre

Cross Site Request Forgery (CSRF) vulnerability in ThinkCMF v5.1.0, which can add an admin account.

MediumCVSS 6.5 · v3.1—No exploit Fix available
Published
Jul 14, 2021
Updated
Jun 16, 2026
EPSS
0.5% · 38th percentile
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Report tools

JSON

Action score

26

Monitor

Low priority for now.

CVSS
26 / 40 · 6.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.5%

Affected systems

VendorProduct
thinkcmfthinkcmf

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • thinkcmf thinkcmf5.1.0

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Packagistthinkcmf/thinkcmfbefore 6.0.86.0.8

Same product

thinkcmf: all records

Other highest-scoring records for the same primary product.

  • CVE-2020-20601An issue in ThinkCMF X2.2.2 and below allows attackers to execute arbitrary code via a crafted packet.
    41Plan
  • CVE-2019-6713app\admin\controller\RouteController.php in ThinkCMF 5.0.190111 allows remote attackers to execute arbitrary PHP code by using vectors invol
    40Plan
  • CVE-2024-31615ThinkCMF 6.0.9 is vulnerable to File upload via UeditorController.php.
    39Monitor
  • CVE-2019-7580ThinkCMF 5.0.190111 allows remote attackers to execute arbitrary PHP code via the portal/admin_category/addpost.html alias parameter because
    38Monitor
  • CVE-2022-40489ThinkCMF version 6.0.7 is affected by a Cross Site Request Forgery (CSRF) vulnerability that allows a Super Administrator user to be injecte
    35Monitor
  • CVE-2018-19898ThinkCMF X2.2.2 has SQL Injection via the method edit_post in ArticleController.class.php and is exploitable by normal authenticated users v
    35Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Packagist:thinkcmf/thinkcmf6.0.8Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
high · data or configuration can be modified
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
None
Integrity impact
High
Availability impact
None

Weakness class (CWE)

CWE-352 · Cross-Site Request Forgery (CSRF)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

nvd-primary

Root cause

State-changing requests rely on the session cookie the browser sends automatically; nothing verifies that the request came from the user’s own page.

The bug in code

The whole CWE-352 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
app.use(session({ cookie: { httpOnly: true } }));app.post("/account/address", updateAddress);

Fixed

ts
app.use(session({ cookie: { httpOnly: true, sameSite: "lax" } }));app.post("/account/address", csrfProtection, updateAddress);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

  1. Fix✗ → ✓

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