How severe is CVE-2010-0744?

CVE-2010-0744 has a CVSS 2.0 base score of 5.8, rated medium severity.

Is CVE-2010-0744 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-0744?

CVE-2010-0744 primarily affects Alvaro Alvaros Messenger. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-0744?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-0744 published?

CVE-2010-0744 was published on 2010-04-20 and last updated on 2026-06-16.

CVE-2010-0744

CVE-2010-0744 is a medium-severity vulnerability in Alvaro Alvaros Messenger with a CVSS 2.0 base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 2.0 base score 5.8)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Alvaro Alvaros Messenger
Published: 2010-04-20
Last modified: 2026-06-16

Description

aMSN (aka Alvaro's Messenger) 0.98.3 and earlier, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man-in-the-middle attackers to spoof an MSN server via an arbitrary certificate.

Frequently asked questions

What is CVE-2010-0744?: aMSN (aka Alvaro's Messenger) 0.98.3 and earlier, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man-in-the-middle attackers to spoof an MSN server via an arbitrary certificate.
How severe is CVE-2010-0744?: CVE-2010-0744 has a CVSS 2.0 base score of 5.8, rated medium severity.
Is CVE-2010-0744 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-0744?: CVE-2010-0744 primarily affects Alvaro Alvaros Messenger. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-0744?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-0744 published?: CVE-2010-0744 was published on 2010-04-20 and last updated on 2026-06-16.

References

Affected products (10)

cpe:2.3:a:alvaro:alvaros_messenger:*:*:*:*:*:*:*:*
cpe:2.3:a:alvaro:alvaros_messenger:0.83:*:*:*:*:*:*:*
cpe:2.3:a:alvaro:alvaros_messenger:0.90:*:*:*:*:*:*:*
cpe:2.3:a:alvaro:alvaros_messenger:0.91:*:*:*:*:*:*:*
cpe:2.3:a:alvaro:alvaros_messenger:0.92:*:*:*:*:*:*:*
cpe:2.3:a:alvaro:alvaros_messenger:0.93:*:*:*:*:*:*:*
cpe:2.3:a:alvaro:alvaros_messenger:0.94:*:*:*:*:*:*:*
cpe:2.3:a:alvaro:alvaros_messenger:0.95:*:*:*:*:*:*:*
cpe:2.3:a:alvaro:alvaros_messenger:0.96:*:*:*:*:*:*:*
cpe:2.3:a:alvaro:alvaros_messenger:0.97:*:*:*:*:*:*:*

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