MEDIUM
CVE-2010-1637
CWE-918Published: June 22, 2010· Updated: Jun 16, 2026
6.5
CVSS v3.1
Official 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.
Technical Analysis
CVE-2010-1637 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Vendors & Products
Apple2 product(s)
mac os xmac os x server
Fedora1 product(s)
fedora
Red Hat3 product(s)
enterprise linux desktopenterprise linux serverenterprise linux workstation
squirrelmail1 product(s)
squirrelmail
Source: NVD CPE · 9 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (40)
→
http://rhn.redhat.com/errata/RHSA-2012-0103.htmlThird Party Advisory
→
http://secunia.com/advisories/40307Broken Link
→
http://squirrelmail.org/security/issue/2010-06-21Patch · Vendor Advisory
→
http://support.apple.com/kb/HT5130Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2010/06/21/1Mailing List · Patch
Quick Facts
CVE IDCVE-2010-1637
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-918
CISA KEVNo
Affected4 vendor(s)
PublishedJun 22, 2010
Related CVEs (CWE-918)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2010-1637 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.