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Exploited vulnerability · CISA KEV

Is CVE-2021-44026 exploited? Yes: in CISA KEV since 22 Jun 2023

Gociux · Roundcube Webmail · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2021-44026, Roundcube Webmail SQL Injection Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 22 Jun 2023, 580 days after it was published. It affects Roundcube Webmail. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 22 Jun 2023
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due13 Jul 2023BOD 22-01 deadline

What it is

Roundcube Webmail is vulnerable to SQL injection via search or search_params.

VendorRoundcube (11 exploited CVEs in KEV)
ProductRoundcube Webmail
VulnerabilityRoundcube Webmail SQL Injection Vulnerability
WeaknessCWE-89
Published19 Nov 2021
Added to KEV22 Jun 2023
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for Roundcube Webmail in your asset inventory, including appliances and cloud images. Stack check lists every exploited Roundcube CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  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 19 Nov 2021.
  4. Get told next time. Email alerts when CISA adds a CVE for Roundcube.

Other exploited CVEs in Roundcube Webmail

References

Questions

Is CVE-2021-44026 being exploited?

Yes. CISA added CVE-2021-44026 to the Known Exploited Vulnerabilities catalog on 22 Jun 2023, which means there is reliable evidence of exploitation in the wild.

Is CVE-2021-44026 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2021-44026?

Apply updates per vendor instructions. Check Roundcube's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Roundcube Webmail 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 June 2023 · Roundcube scorecard · act-now radar.

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