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Vulnerability Details CVE-2021-33580

User controlled `request.getHeader("Referer")`, `request.getRequestURL()` and `request.getQueryString()` are used to build and run a regex expression. The attacker doesn't have to use a browser and may send a specially crafted Referer header programmatically. Since the attacker controls the string and the regex pattern he may cause a ReDoS by regex catastrophic backtracking on the server side. This problem has been fixed in Roller 6.0.2.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.036
EPSS Ranking 87.3%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 4.3
Products affected by CVE-2021-33580
  • Apache » Roller » Version: 0.9.5
    cpe:2.3:a:apache:roller:0.9.5
  • Apache » Roller » Version: 0.9.6
    cpe:2.3:a:apache:roller:0.9.6
  • Apache » Roller » Version: 0.9.6.3
    cpe:2.3:a:apache:roller:0.9.6.3
  • Apache » Roller » Version: 0.9.6.4
    cpe:2.3:a:apache:roller:0.9.6.4
  • Apache » Roller » Version: 0.9.7
    cpe:2.3:a:apache:roller:0.9.7
  • Apache » Roller » Version: 0.9.7.1
    cpe:2.3:a:apache:roller:0.9.7.1
  • Apache » Roller » Version: 0.9.7.2
    cpe:2.3:a:apache:roller:0.9.7.2
  • Apache » Roller » Version: 0.9.8
    cpe:2.3:a:apache:roller:0.9.8
  • Apache » Roller » Version: 0.9.8.1
    cpe:2.3:a:apache:roller:0.9.8.1
  • Apache » Roller » Version: 0.9.8.2
    cpe:2.3:a:apache:roller:0.9.8.2
  • Apache » Roller » Version: 0.9.9
    cpe:2.3:a:apache:roller:0.9.9
  • Apache » Roller » Version: 1.0
    cpe:2.3:a:apache:roller:1.0
  • Apache » Roller » Version: 1.0.1
    cpe:2.3:a:apache:roller:1.0.1
  • Apache » Roller » Version: 1.1
    cpe:2.3:a:apache:roller:1.1
  • Apache » Roller » Version: 1.1.1
    cpe:2.3:a:apache:roller:1.1.1
  • Apache » Roller » Version: 1.1.2
    cpe:2.3:a:apache:roller:1.1.2
  • Apache » Roller » Version: 1.2
    cpe:2.3:a:apache:roller:1.2
  • Apache » Roller » Version: 1.3
    cpe:2.3:a:apache:roller:1.3
  • Apache » Roller » Version: 2.0
    cpe:2.3:a:apache:roller:2.0
  • Apache » Roller » Version: 2.0.1
    cpe:2.3:a:apache:roller:2.0.1
  • Apache » Roller » Version: 2.0.2
    cpe:2.3:a:apache:roller:2.0.2
  • Apache » Roller » Version: 2.1
    cpe:2.3:a:apache:roller:2.1
  • Apache » Roller » Version: 2.1.1
    cpe:2.3:a:apache:roller:2.1.1
  • Apache » Roller » Version: 2.3
    cpe:2.3:a:apache:roller:2.3
  • Apache » Roller » Version: 2.3.1
    cpe:2.3:a:apache:roller:2.3.1
  • Apache » Roller » Version: 2.4
    cpe:2.3:a:apache:roller:2.4
  • Apache » Roller » Version: 3.0
    cpe:2.3:a:apache:roller:3.0
  • Apache » Roller » Version: 3.0.1
    cpe:2.3:a:apache:roller:3.0.1
  • Apache » Roller » Version: 3.1
    cpe:2.3:a:apache:roller:3.1
  • Apache » Roller » Version: 3.1.1
    cpe:2.3:a:apache:roller:3.1.1
  • Apache » Roller » Version: 4.0
    cpe:2.3:a:apache:roller:4.0
  • Apache » Roller » Version: 4.0.1
    cpe:2.3:a:apache:roller:4.0.1
  • Apache » Roller » Version: 4.1
    cpe:2.3:a:apache:roller:4.1
  • Apache » Roller » Version: 5.0
    cpe:2.3:a:apache:roller:5.0
  • Apache » Roller » Version: 5.0.1
    cpe:2.3:a:apache:roller:5.0.1
  • Apache » Roller » Version: 5.0.2
    cpe:2.3:a:apache:roller:5.0.2
  • Apache » Roller » Version: 5.0.3
    cpe:2.3:a:apache:roller:5.0.3
  • Apache » Roller » Version: 5.0.4
    cpe:2.3:a:apache:roller:5.0.4
  • Apache » Roller » Version: 5.1.0
    cpe:2.3:a:apache:roller:5.1.0
  • Apache » Roller » Version: 5.1.1
    cpe:2.3:a:apache:roller:5.1.1
  • Apache » Roller » Version: 5.1.2
    cpe:2.3:a:apache:roller:5.1.2
  • Apache » Roller » Version: 5.2.0
    cpe:2.3:a:apache:roller:5.2.0
  • Apache » Roller » Version: 5.2.1
    cpe:2.3:a:apache:roller:5.2.1
  • Apache » Roller » Version: 5.2.10
    cpe:2.3:a:apache:roller:5.2.10
  • Apache » Roller » Version: 5.2.2
    cpe:2.3:a:apache:roller:5.2.2
  • Apache » Roller » Version: 5.2.3
    cpe:2.3:a:apache:roller:5.2.3
  • Apache » Roller » Version: 5.2.4
    cpe:2.3:a:apache:roller:5.2.4
  • Apache » Roller » Version: 6.0.0
    cpe:2.3:a:apache:roller:6.0.0
  • Apache » Roller » Version: 6.0.1
    cpe:2.3:a:apache:roller:6.0.1


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