Vulnerability Database

383,304

Total vulnerabilities in the database

CVE-2010-2813 — squirrelmail / squirrelmail

Resource Management Errors

functions/imap_general.php in SquirrelMail before 1.4.21 does not properly handle 8-bit characters in passwords, which allows remote attackers to cause a denial of service (disk consumption) by making many IMAP login attempts with different usernames, leading to the creation of many preferences files.

  • Published: Aug 19, 2010
  • Updated: Sep 13, 2026
  • CVE: CVE-2010-2813
  • Severity: Medium
  • Exploit:
  • CISA KEV:

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software Affected versions
squirrelmail / squirrelmail <= 1.4.20
squirrelmail / squirrelmail = 1.4
squirrelmail / squirrelmail = 1.4-rc1
squirrelmail / squirrelmail = 1.4.0
squirrelmail / squirrelmail = 1.4.0-rc1
squirrelmail / squirrelmail = 1.4.0-rc2a
squirrelmail / squirrelmail = 1.4.0-r1
squirrelmail / squirrelmail = 1.4.0_rc1
squirrelmail / squirrelmail = 1.4.0_rc2a
squirrelmail / squirrelmail = 1.4.1
squirrelmail / squirrelmail = 1.4.2
squirrelmail / squirrelmail = 1.4.2-r1
squirrelmail / squirrelmail = 1.4.2-r2
squirrelmail / squirrelmail = 1.4.2-r3
squirrelmail / squirrelmail = 1.4.2-r4
squirrelmail / squirrelmail = 1.4.2-r5
squirrelmail / squirrelmail = 1.4.3
squirrelmail / squirrelmail = 1.4.3-r3
squirrelmail / squirrelmail = 1.4.3-rc1
squirrelmail / squirrelmail = 1.4.3_r3
squirrelmail / squirrelmail = 1.4.3_rc1
squirrelmail / squirrelmail = 1.4.3_rc1-r1
squirrelmail / squirrelmail = 1.4.3a
squirrelmail / squirrelmail = 1.4.3aa
squirrelmail / squirrelmail = 1.4.4
squirrelmail / squirrelmail = 1.4.4-rc1
squirrelmail / squirrelmail = 1.4.4_rc1
squirrelmail / squirrelmail = 1.4.5
squirrelmail / squirrelmail = 1.4.5-rc1
squirrelmail / squirrelmail = 1.4.5_rc1
squirrelmail / squirrelmail = 1.4.6
squirrelmail / squirrelmail = 1.4.6-rc1
squirrelmail / squirrelmail = 1.4.6_cvs
squirrelmail / squirrelmail = 1.4.6_rc1
squirrelmail / squirrelmail = 1.4.7
squirrelmail / squirrelmail = 1.4.8
squirrelmail / squirrelmail = 1.4.8.4fc6
squirrelmail / squirrelmail = 1.4.9
squirrelmail / squirrelmail = 1.4.9a
squirrelmail / squirrelmail = 1.4.10
squirrelmail / squirrelmail = 1.4.10a
squirrelmail / squirrelmail = 1.4.11
squirrelmail / squirrelmail = 1.4.12
squirrelmail / squirrelmail = 1.4.13
squirrelmail / squirrelmail = 1.4.15
squirrelmail / squirrelmail = 1.4.15-rc1
squirrelmail / squirrelmail = 1.4.15_rc1
squirrelmail / squirrelmail = 1.4.15rc1
squirrelmail / squirrelmail = 1.4.16
squirrelmail / squirrelmail = 1.4.17
squirrelmail / squirrelmail = 1.4.18
squirrelmail / squirrelmail = 1.4.19
squirrelmail / squirrelmail = 1.4_rc1
squirrelmail / squirrelmail = 1.44

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.