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CVE-2020-13452· NVD / CVE Program· CNA mitre

In Gotenberg through 6.2.1, insecure permissions for tini (writable by user gotenberg) potentially allow an attacker to overwrite the file,

In Gotenberg through 6.2.1, insecure permissions for tini (writable by user gotenberg) potentially allow an attacker to overwrite the file, which can lead to denial of service or code execution.

CriticalCVSS 9.8 · v3.1—No exploit No fix recorded
Published
Jan 7, 2021
Updated
Jun 16, 2026
EPSS
2.7% · 86th percentile
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Action score

40

Plan

Add it to your regular patch cycle.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.7%

Affected systems

VendorProduct
thecodingmachinegotenberg

Affected versions

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

  • thecodingmachine gotenbergup to 6.2.1 inclusive

Same product

thecodingmachine: all records

Other highest-scoring records for the same primary product.

  • CVE-2020-13450A directory traversal vulnerability in file upload function of Gotenberg through 6.2.1 allows an attacker to upload and overwrite any writab
    41Plan
  • CVE-2026-42589Gotenberg: Unauthenticated RCE via ExifTool Metadata Key Injection
    40Plan
  • CVE-2020-13451An incomplete-cleanup vulnerability in the Office rendering engine of Gotenberg through 6.2.1 allows an attacker to overwrite LibreOffice co
    40Plan
  • CVE-2026-42596Gotenberg: Unauthenticated SSRF via default deny-list bypass in downloadFrom and webhook
    38Monitor
  • CVE-2026-40281Gotenberg vulnerable to argument injection via newlines in ExifTool metadata values
    36Monitor
  • CVE-2026-42595Gotenberg: Server-Side Request Forgery via Chromium URL Endpoint with Redirect-Based Deny-List Bypass
    34Monitor

Remediation

Which version to upgrade to

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

No fix version is recorded for this entry. Check the references for vendor advisories.

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.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

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

Weakness class (CWE)

CWE-276 · Incorrect Default Permissions

CVSS vector

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

nvd-primary

Attack context

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

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records