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CVE-2005-2931· NVD / CVE Program· CNA mitre

Format string vulnerability in the SMTP service in IMail Server 8.20 in Ipswitch Collaboration Suite (ICS) before 2.02 allows remote attacke

Format string vulnerability in the SMTP service in IMail Server 8.20 in Ipswitch Collaboration Suite (ICS) before 2.02 allows remote attackers to execute arbitrary code via format string specifiers to the (1) EXPN, (2) MAIL, (3) MAIL FROM, and (4) RCPT TO commands.

HighCVSS 7.5 · v2.0—No exploit No fix recorded
Published
Dec 6, 2005
Updated
Jun 16, 2026
EPSS
4.7% · 92th percentile
CWE
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Report tools

JSON

Action score

31

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 4.7%

Affected systems

VendorProduct
ipswitchimail server
ipswitchipswitch collaboration suite

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • ipswitch imail server8.20
  • ipswitch ipswitch collaboration suite2.0
  • ipswitch ipswitch collaboration suite2.01

Same product

ipswitch: all records

Other highest-scoring records for the same primary product.

  • CVE-2007-3925Multiple buffer overflows in the IMAP service (imapd32.exe) in Ipswitch IMail Server 2006 before 2006.21 allow remote authenticated users to
    51Plan
  • CVE-2007-3927Multiple buffer overflows in Ipswitch IMail Server 2006 before 2006.21 (1) allow remote attackers to execute arbitrary code via unspecified
    47Plan
  • CVE-2017-12639Stack based buffer overflow in Ipswitch IMail server up to and including 12.5.5 allows remote attackers to execute arbitrary code via unspec
    40Plan
  • CVE-2017-12638Stack based buffer overflow in Ipswitch IMail server up to and including 12.5.5 allows remote attackers to execute arbitrary code via unspec
    40Plan
  • CVE-2007-3926Ipswitch IMail Server 2006 before 2006.21 allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors involv
    32Monitor
  • CVE-2005-2923The IMAP server in IMail Server 8.20 in Ipswitch Collaboration Suite (ICS) before 2.02 allows remote attackers to cause a denial of service
    19Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
P · data can be read
Integrity
P · data or configuration can be modified
Availability
P · the service can be disrupted
Attack complexity
Low
Confidentiality impact
P
Integrity impact
P
Availability impact
P

Weakness class (CWE)

—

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records