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CVE-2010-2580· NVD / CVE Program· CNA flexera

The SMTP service (MESMTPC.exe) in MailEnable 3.x and 4.25 does not properly perform a length check, which allows remote attackers to cause a

The SMTP service (MESMTPC.exe) in MailEnable 3.x and 4.25 does not properly perform a length check, which allows remote attackers to cause a denial of service (crash) via a long (1) email address in the MAIL FROM command, or (2) domain name in the RCPT TO command, which triggers an "unhandled invalid parameter error."

MediumCVSS 5.0 · v2.0—No exploit No fix recorded
Published
Sep 15, 2010
Updated
Jun 16, 2026
EPSS
3.8% · 90th percentile
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Report tools

JSON

Action score

21

Monitor

Low priority for now.

CVSS
20 / 40 · 5.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 3.8%

Affected systems

VendorProduct
mailenablemailenable

Affected versions

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

  • mailenable mailenableup to 4.25 inclusive
  • mailenable mailenable3.0
  • mailenable mailenable3.01
  • mailenable mailenable3.02
  • mailenable mailenable3.03
  • mailenable mailenable3.04
  • mailenable mailenable3.10
  • mailenable mailenable3.11
  • mailenable mailenable3.12
  • mailenable mailenable3.13
  • mailenable mailenable3.14
  • mailenable mailenable3.5
  • mailenable mailenable3.51
  • mailenable mailenable3.52
  • mailenable mailenable3.53
  • mailenable mailenable3.6
  • mailenable mailenable3.61
  • mailenable mailenable3.62
  • mailenable mailenable3.63
  • mailenable mailenable4.0

Same product

mailenable: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-44148Cross Site Scripting (XSS) vulnerability in MailEnable before v10 allows a remote attacker to execute arbitrary code via the failure.aspx co
    55Plan
  • CVE-2015-9280MailEnable before 8.60 allows XXE via an XML document in the request.aspx Options parameter.
    41Plan
  • CVE-2015-9278MailEnable before 8.60 allows Privilege Escalation because admin accounts could be created as a consequence of %0A mishandling in AUTH.TAB a
    40Plan
  • CVE-2019-12924MailEnable Enterprise Premium 10.23 was vulnerable to XML External Entity Injection (XXE) attacks that could be exploited by an unauthentica
    39Monitor
  • CVE-2015-9277MailEnable before 8.60 allows Directory Traversal for reading the messages of other users, uploading files, and deleting files because "/../
    37Monitor
  • CVE-2022-42136Authenticated mail users, under specific circumstances, could add files with unsanitized content in public folders where the IIS user had pe
    35Monitor

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.

—

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
none
Integrity
none
Availability
P · the service can be disrupted
Attack complexity
Low
Confidentiality impact
None
Integrity impact
None
Availability impact
P

Weakness class (CWE)

CWE-20 · Improper Input Validation

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/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.

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