CVE & CISA-KEV Catalog

CVE-2015-2808

LOWEPSS 99th pctl

3.7

CVSS v3

Description

The RC4 algorithm, as used in the TLS protocol and SSL protocol, does not properly combine state data with key data during the initialization phase, which makes it easier for remote attackers to conduct plaintext-recovery attacks against the initial bytes of a stream by sniffing network traffic that occasionally relies on keys affected by the Invariance Weakness, and then using a brute-force approach involving LSB values, aka the "Bar Mitzvah" issue.

How to fix

Remediation Available

openjdk-8Debian

Fixed in:8u66-b01-1CVE-2015-2808

icedtea-7-jre-jamvmUbuntu

Fixed in:7u79-2.5.6-0ubuntu1.14.04.1USN-2696-1

openjdk-7Ubuntu

Fixed in:7u79-2.5.6-0ubuntu1.14.04.12696-1

Fixed in:7u79-2.5.6-0ubuntu1.14.04.1USN-2696-1

openjdk-7-jdkUbuntu

Fixed in:7u79-2.5.6-0ubuntu1.14.04.1USN-2696-1

openjdk-7-jreUbuntu

Fixed in:7u79-2.5.6-0ubuntu1.14.04.1USN-2696-1

openjdk-7-jre-headlessUbuntu

Fixed in:7u79-2.5.6-0ubuntu1.14.04.1USN-2696-1

openjdk-7-jre-libUbuntu

Fixed in:7u79-2.5.6-0ubuntu1.14.04.1USN-2696-1

openjdk-7-jre-zeroUbuntu

Fixed in:7u79-2.5.6-0ubuntu1.14.04.1USN-2696-1

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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

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

73.85%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Related Vulnerabilities

Other CWE-327 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-34039	Critical	9.8	64%	-	Fix
CVE-2016-6602	Critical	9.8	55%	-	-
CVE-2014-8687	Critical	9.8	44%	-	-
CVE-2020-13777	High	7.4	18%	-	Fix
CVE-2017-17428	Medium	5.9	15%	-	-
CVE-2017-17382	Medium	5.9	14%	-	-

Common questions

How do I fix CVE-2015-2808?

Published advisories record a fix for 8 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2015-2808 being actively exploited?

Not that we know of. CVE-2015-2808 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 73.9% is the estimated probability that it will be exploited in the next 30 days. That is higher than 99% of all scored CVEs.

How severe is CVE-2015-2808?

CVE-2015-2808 has a CVSS v3 base score of 3.7, rated low. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2015-2808 affect?

Published advisories record a fix for openjdk-8 (Debian), icedtea-7-jre-jamvm (Ubuntu), openjdk-7 (Ubuntu), openjdk-7-jdk (Ubuntu), and 4 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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 2026-05-28.