---
title: CVE-2010-1637
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2010-1637
---

# CVE-2010-1637

Publication date 22 June 2010

Last updated 25 August 2025

---

Ubuntu priority

**Low**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**6.5 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2010-1637#impact-score)

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## Description

The Mail Fetch plugin in SquirrelMail 1.4.20 and earlier allows remote
authenticated users to bypass firewall restrictions and use SquirrelMail as
a proxy to scan internal networks via a modified POP3 port number.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| squirrelmail | 10.04 LTS lucid | Fixed 2:1.4.20-1ubuntu0.1 |
| 9.10 karmic | Fixed 2:1.4.19-1ubuntu0.2 |
| 9.04 jaunty | Fixed 2:1.4.15-4ubuntu0.4 |
| 8.04 LTS hardy | Fixed 2:1.4.13-2ubuntu1.6 |
| 6.06 LTS dapper | Ignored end of life |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2010-1637#patch-details)

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| squirrelmail | * Debdiff:   <https://bugs.launchpad.net/ubuntu/+source/squirrelmail/+bug/598077> |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

6.5 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | Low |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | High |
  | Integrity impact | None |
  | Availability impact | None |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 6.5 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-1637)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2010-1637)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2010-1637)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2010-1637)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2010-1637>