How severe is CVE-2014-4911?

CVE-2014-4911 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-4911 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-4911?

CVE-2014-4911 primarily affects Polarssl. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-4911?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-4911 published?

CVE-2014-4911 was published on 2014-07-22 and last updated on 2026-06-17.

CVE-2014-4911

CVE-2014-4911 is a medium-severity vulnerability in Polarssl with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-310.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Polarssl
Published: 2014-07-22
Last modified: 2026-06-17

Description

The ssl_decrypt_buf function in library/ssl_tls.c in PolarSSL before 1.2.11 and 1.3.x before 1.3.8 allows remote attackers to cause a denial of service (crash) via vectors related to the GCM ciphersuites, as demonstrated using the Codenomicon Defensics toolkit.

Frequently asked questions

What is CVE-2014-4911?: The ssl_decrypt_buf function in library/ssl_tls.c in PolarSSL before 1.2.11 and 1.3.x before 1.3.8 allows remote attackers to cause a denial of service (crash) via vectors related to the GCM ciphersuites, as demonstrated using the Codenomicon Defensics toolkit.
How severe is CVE-2014-4911?: CVE-2014-4911 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-4911 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-4911?: CVE-2014-4911 primarily affects Polarssl. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-4911?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-4911 published?: CVE-2014-4911 was published on 2014-07-22 and last updated on 2026-06-17.

References

Affected products (24)

cpe:2.3:a:polarssl:polarssl:1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.3.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.3.0:rc0:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.3.2:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.3.3:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.3.4:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.3.5:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.3.6:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.3.7:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:*:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.2.4:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.2.5:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.2.6:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.2.7:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.2.8:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:1.2.9:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

More vulnerabilities in Polarssl

CVE-2011-4574 — Critical (CVSS 9.8): PolarSSL versions prior to v1.1 use the HAVEGE random number generation algorithm. At its heart, this uses timing…
CVE-2014-9744 — High (CVSS 7.8): Memory leak in PolarSSL before 1.3.9 allows remote attackers to cause a denial of service (memory consumption) via a…
CVE-2014-8628 — High (CVSS 7.8): Memory leak in PolarSSL before 1.2.12 and 1.3.x before 1.3.9 allows remote attackers to cause a denial of service…
CVE-2015-1182 — High (CVSS 7.5): The asn1_get_sequence_of function in library/asn1parse.c in PolarSSL 1.0 through 1.2.12 and 1.3.x through 1.3.9 does…
CVE-2012-2130 — High (CVSS 7.4): A Security Bypass vulnerability exists in PolarSSL 0.99pre4 through 1.1.1 due to a weak encryption error when…
CVE-2015-8036 — Medium (CVSS 6.8): Heap-based buffer overflow in ARM mbed TLS (formerly PolarSSL) 1.3.x before 1.3.14 and 2.x before 2.1.2 allows remote…

All CVEs affecting Polarssl →

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