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CVE-2005-2857

29
FAUCET Score

CVE-2005-2857 describes a critical vulnerability in SoftStack Free SMTP Server 2.2, allowing remote attackers to exploit the server as an open mail relay, effectively turning it into a spam proxy. With a CVSS score of 7.5, this vulnerability is easily exploitable over the network with low attack complexity and no authentication required, leading to potential compromise of confidentiality, integrity, and availability. While not actively exploited in the wild or on the KEV catalog, an ExploitDB entry exists (EDB-1193), indicating public exploit code availability, though it has garnered minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.2CPE matchmatch criteria
cpe:2.3:a:softstack:free_smtp_server:2.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.60%
Probability of exploitation in next 30 days
EPSS Percentile
83.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-1193 · Sep 2, 2005
This CVE's current EPSS score of 0.0260 is in the 71st percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

k.domaindlx.com / shellcore/advisories.asp
ExploitVendor Advisory
secunia.com / advisories/16698
Vendor Advisory