Clearswift specializes in email and web content filtering and data loss prevention appliances, with its vulnerability footprint concentrated in a focused portfolio of gateway security products such as MailSweeper and MimeSweeper that sit inline on organizational networks. The vendor's disclosures cluster around memory-safety and input-validation weaknesses typical of network filtering engines that must parse and inspect high volumes of untrusted messages and web traffic. While the product scope is narrow, these appliances occupy a critical position in email and web security infrastructure, making their vulnerabilities relevant to organizations relying on them for compliance and threat prevention. Defenders should monitor this vendor's advisories for its gateway products and assess exposure in environments where MailSweeper or MimeSweeper instances handle mail and web traffic; current severity, exploitation, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Clearswift over time
Signals from CVEs in this vendor scope (28 CVEs).
28 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2003-0121HIGH Clearswift MAILsweeper 4.x allows remote attackers to bypass attachment detection via an attachment that does not specify a MIME-Version header field, which is processed by some ma | Mar 18, 2003 | 7.5 | 31 | NO | YES |
CVE-2004-0234HIGH Multiple stack-based buffer overflows in the get_header function in header.c for LHA 1.14, as used in products such as Barracuda Spam Firewall, allow remote attackers or local user | Aug 18, 2004 | 10.0 | 29 | NO | NO |
CVE-2003-1014HIGH Multiple content security gateway and antivirus products allow remote attackers to bypass content restrictions via MIME messages that use multiple MIME fields with the same name, w | Oct 20, 2004 | 7.5 | 25 | NO | NO |
CVE-2004-0051HIGH Multiple content security gateway and antivirus products allow remote attackers to bypass content restrictions via MIME messages that use non-standard but frequently supported Cont | Oct 20, 2004 | 7.5 | 21 | NO | NO |
CVE-2003-1015HIGH Multiple content security gateway and antivirus products allow remote attackers to bypass content restrictions via MIME messages that use whitespace in an unusual fashion, which ma | Oct 20, 2004 | 7.5 | 20 | NO | NO |
CVE-2003-1016HIGH Multiple content security gateway and antivirus products allow remote attackers to bypass content restrictions via MIME messages that use malformed quoting in MIME headers, paramet | Oct 20, 2004 | 7.5 | 20 | NO | NO |
CVE-2004-0052HIGH Multiple content security gateway and antivirus products allow remote attackers to bypass content restrictions via MIME messages that use non-standard separator characters, or use | Oct 20, 2004 | 7.5 | 20 | NO | NO |
CVE-2004-0053HIGH Multiple content security gateway and antivirus products allow remote attackers to bypass content restrictions via MIME messages that use fields that use RFC2047 encoding, which ma | Oct 20, 2004 | 7.5 | 20 | NO | NO |
CVE-2004-0161HIGH Multiple content security gateway and antivirus products allow remote attackers to bypass content restrictions via MIME messages that use RFC2231 encoding, which may be interpreted | Oct 20, 2004 | 7.5 | 20 | NO | NO |
CVE-2004-0162HIGH Multiple content security gateway and antivirus products allow remote attackers to bypass content restrictions via MIME encapsulation that uses RFC822 comment fields, which may be | Oct 20, 2004 | 7.5 | 20 | NO | NO |
Signals from CVEs in this vendor scope (28 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Clearswift.
Media articles that mention a CVE ID that affects a product developed by Clearswift — matched by CVE ID, not by vendor name.