CVE-2010-2939

Openssl vulnerability

CVSS

4.3

EPSS

10.0%

EPSS pct

95th

Exploited

No known

Double free vulnerability in the ssl3_get_key_exchange function in the OpenSSL client (ssl/s3_clnt.c) in OpenSSL 1.0.0a, 0.9.8, 0.9.7, and possibly other versions, when using ECDH, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted private key with an invalid prime. NOTE: some sources refer to this as a use-after-free issue.

Affected vendor

Openssl

Affected product

Openssl

CVSS vector

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

Weakness type (CWE)

CWE-399

Published

2010-08-17

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 10.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2010-2939

Confirm whether Openssl Openssl is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2010-2939.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2010-2939

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