Is CVE-2016-0703 in the CISA KEV catalog?

No. CVE-2016-0703 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-0703?

CVE-2016-0703 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2016-0703?

CVE-2016-0703 has an EPSS score of 5.40% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-0703?

Upgrade openssl on debian 11 to 1.0.0c-2 or later.

CVE & CISA-KEV Catalog

CVE-2016-0703

MEDIUMEPSS 92th pctl

5.9

CVSS v3

NVD

Description

The get_client_master_key function in s2_srvr.c in the SSLv2 implementation in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a accepts a nonzero CLIENT-MASTER-KEY CLEAR-KEY-LENGTH value for an arbitrary cipher, which allows man-in-the-middle attackers to determine the MASTER-KEY value and decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, a related issue to CVE-2016-0800.

CWE-200Information Exposure

How to fix

Remediation Available

opensslDebian

Fixed in:1.0.0c-2CVE-2016-0703

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

5.40%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.