CVE-2015-3196

Icewall Sso vulnerability

CVSS

4.3

EPSS

12.8%

EPSS pct

96th

Exploited

No known

ssl/s3_clnt.c in OpenSSL 1.0.0 before 1.0.0t, 1.0.1 before 1.0.1p, and 1.0.2 before 1.0.2d, when used for a multi-threaded client, writes the PSK identity hint to an incorrect data structure, which allows remote servers to cause a denial of service (race condition and double free) via a crafted ServerKeyExchange message.

Affected vendor

Affected product

Icewall Sso

CVSS vector

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

Weakness type (CWE)

CWE-362 — Race Condition

Published

2015-12-06

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 12.8% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2015-3196

Confirm whether Hp Icewall Sso is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2015-3196.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-3196

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2015-3196 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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