Is CVE-2012-6702 in the CISA KEV catalog?

No. CVE-2012-6702 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-6702?

CVE-2012-6702 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2012-6702?

CVE-2012-6702 has an EPSS score of 2.37% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2012-6702?

Upgrade expat on debian 11 to 2.1.1-3 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2012-6702

MEDIUMEPSS 82th pctl

5.9

CVSS v3

NVD

Description

Expat, when used in a parser that has not called XML_SetHashSalt or passed it a seed of 0, makes it easier for context-dependent attackers to defeat cryptographic protection mechanisms via vectors involving use of the srand function.

CWE-310Cryptographic Issues

How to fix

Remediation Available

expatDebian

Fixed in:2.1.1-3CVE-2012-6702

expatUbuntu

Fixed in:2.1.0-4ubuntu1.3USN-3010-1

Fixed in:2.1.0-7ubuntu0.16.04.2USN-3010-1

lib64expat1Ubuntu

Fixed in:2.1.0-4ubuntu1.3USN-3010-1

Fixed in:2.1.0-7ubuntu0.16.04.2USN-3010-1

libexpat1Ubuntu

Fixed in:2.1.0-4ubuntu1.3USN-3010-1

Fixed in:2.1.0-7ubuntu0.16.04.2USN-3010-1

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

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

2.37%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Other references8

Related Vulnerabilities

Other CWE-310 (Cryptographic Issues) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-3566	Low	3.4	100%	-	Fix
CVE-2015-4000	Low	3.7	100%	-	Fix
CVE-2015-0204	Medium	4.3	99%	-	Fix
CVE-2016-2107	Medium	5.9	89%	-	Fix
CVE-2016-0800	Medium	5.9	82%	-	Fix
CVE-2014-8684	Critical	9.8	72%	-	-

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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.