How severe is CVE-2017-2782?

CVE-2017-2782 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.

Is CVE-2017-2782 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2782?

CVE-2017-2782 affects Matrixssl. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-2782?

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

When was CVE-2017-2782 published?

CVE-2017-2782 was published on 2017-06-22 and last updated on 2026-06-17.

CVE-2017-2782

CVE-2017-2782 is a medium-severity vulnerability in Matrixssl with a CVSS 3.x base score of 6.5. 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-190.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.4
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Matrixssl
Published: 2017-06-22
Last modified: 2026-06-17

Description

An integer overflow vulnerability exists in the X509 certificate parsing functionality of InsideSecure MatrixSSL 3.8.7b. A specially crafted x509 certificate can cause a length counter to overflow, leading to a controlled out of bounds copy operation. To trigger this vulnerability, a specially crafted x509 certificate must be presented to the vulnerable client or server application when initiating secure connection

Frequently asked questions

What is CVE-2017-2782?: An integer overflow vulnerability exists in the X509 certificate parsing functionality of InsideSecure MatrixSSL 3.8.7b. A specially crafted x509 certificate can cause a length counter to overflow, leading to a controlled out of bounds copy operation. To trigger this vulnerability, a specially crafted x509 certificate must be presented to the vulnerable client or server application when initiating secure connection
How severe is CVE-2017-2782?: CVE-2017-2782 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.
Is CVE-2017-2782 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2782?: CVE-2017-2782 affects Matrixssl. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-2782?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-2782 published?: CVE-2017-2782 was published on 2017-06-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:matrixssl:matrixssl:3.8.7b:*:*:*:*:*:*:*

More vulnerabilities in Matrixssl

CVE-2019-14431 — Critical (CVSS 9.8): In MatrixSSL 3.8.3 Open through 4.2.1 Open, the DTLS server mishandles incoming network messages leading to a…
CVE-2019-13470 — Critical (CVSS 9.8): MatrixSSL before 4.2.1 has an out-of-bounds read during ASN.1 handling.
CVE-2019-10914 — Critical (CVSS 9.8): pubRsaDecryptSignedElementExt in MatrixSSL 4.0.1 Open, as used in Inside Secure TLS Toolkit, has a stack-based buffer…
CVE-2017-2781 — Critical (CVSS 9.8): An exploitable heap buffer overflow vulnerability exists in the X509 certificate parsing functionality of InsideSecure…
CVE-2017-2780 — Critical (CVSS 9.8): An exploitable heap buffer overflow vulnerability exists in the X509 certificate parsing functionality of InsideSecure…
CVE-2016-6890 — Critical (CVSS 9.8): Heap-based buffer overflow in MatrixSSL before 3.8.6 allows remote attackers to execute arbitrary code via a crafted…

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