How severe is CVE-2013-1802?

CVE-2013-1802 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2013-1802 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1802?

CVE-2013-1802 primarily affects Dan Kubb Extlib. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1802?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2013-1802 published?

CVE-2013-1802 was published on 2013-04-09 and last updated on 2026-06-16.

CVE-2013-1802

CVE-2013-1802 is a high-severity vulnerability in Dan Kubb Extlib with a CVSS 2.0 base score of 7.5. 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-264.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Dan Kubb Extlib
Published: 2013-04-09
Last modified: 2026-06-16

Description

The extlib gem 0.9.15 and earlier for Ruby does not properly restrict casts of string values, which might allow remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service (memory and CPU consumption) by leveraging Action Pack support for (1) YAML type conversion or (2) Symbol type conversion, a similar vulnerability to CVE-2013-0156.

Frequently asked questions

What is CVE-2013-1802?: The extlib gem 0.9.15 and earlier for Ruby does not properly restrict casts of string values, which might allow remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service (memory and CPU consumption) by leveraging Action Pack support for (1) YAML type conversion or (2) Symbol type conversion, a similar vulnerability to CVE-2013-0156.
How severe is CVE-2013-1802?: CVE-2013-1802 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2013-1802 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1802?: CVE-2013-1802 primarily affects Dan Kubb Extlib. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1802?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-1802 published?: CVE-2013-1802 was published on 2013-04-09 and last updated on 2026-06-16.

References

Affected products (14)

cpe:2.3:a:dan_kubb:extlib:*:*:*:*:*:*:*:*
cpe:2.3:a:dan_kubb:extlib:0.9.2:*:*:*:*:*:*:*
cpe:2.3:a:dan_kubb:extlib:0.9.3:*:*:*:*:*:*:*
cpe:2.3:a:dan_kubb:extlib:0.9.4:*:*:*:*:*:*:*
cpe:2.3:a:dan_kubb:extlib:0.9.5:*:*:*:*:*:*:*
cpe:2.3:a:dan_kubb:extlib:0.9.6:*:*:*:*:*:*:*
cpe:2.3:a:dan_kubb:extlib:0.9.7:*:*:*:*:*:*:*
cpe:2.3:a:dan_kubb:extlib:0.9.8:*:*:*:*:*:*:*
cpe:2.3:a:dan_kubb:extlib:0.9.9:*:*:*:*:*:*:*
cpe:2.3:a:dan_kubb:extlib:0.9.10:*:*:*:*:*:*:*
cpe:2.3:a:dan_kubb:extlib:0.9.11:*:*:*:*:*:*:*
cpe:2.3:a:dan_kubb:extlib:0.9.12:*:*:*:*:*:*:*
cpe:2.3:a:dan_kubb:extlib:0.9.13:*:*:*:*:*:*:*
cpe:2.3:a:dan_kubb:extlib:0.9.14:*:*:*:*:*:*:*

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