← gociux.comall exploited CVEs

Exploited vulnerability · CISA KEV

Is CVE-2021-3129 exploited? Yes: in CISA KEV since 18 Sep 2023

Gociux · Laravel Ignition · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2021-3129, Laravel Ignition File Upload Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 18 Sep 2023, 979 days after it was published. It is known to be used in ransomware campaigns. It affects Laravel Ignition. If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

exploitedYesCISA KEV · 18 Sep 2023
ransomwareKnownused in campaigns
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due9 Oct 2023BOD 22-01 deadline

What it is

Laravel Ignition contains a file upload vulnerability that allows unauthenticated remote attackers to execute malicious code due to insecure usage of file_get_contents() and file_put_contents().

VendorLaravel (3 exploited CVEs in KEV)
ProductIgnition
VulnerabilityLaravel Ignition File Upload Vulnerability
Weaknessnot specified
Published12 Jan 2021
Added to KEV18 Sep 2023
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for Ignition in your asset inventory, including appliances and cloud images. Stack check lists every exploited Laravel CVE at once.
  2. Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 12 Jan 2021.
  4. Get told next time. Email alerts when CISA adds a CVE for Laravel.

References

Questions

Is CVE-2021-3129 being exploited?

Yes. CISA added CVE-2021-3129 to the Known Exploited Vulnerabilities catalog on 18 Sep 2023, which means there is reliable evidence of exploitation in the wild.

Is CVE-2021-3129 used in ransomware attacks?

Yes, CISA lists it as known to be used in ransomware campaigns.

How do I fix CVE-2021-3129?

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check Laravel's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Ignition and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in September 2023 · Laravel scorecard · act-now radar.

Running Laravel in a regulated environment?

We check exposure across your estate, patch or mitigate with your team, and set up detection for what attackers do after exploiting it.

Get in touch →