How severe is CVE-2013-1801?

CVE-2013-1801 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2013-1801 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1801?

CVE-2013-1801 primarily affects Jnunemaker Httparty. In total, 46 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1801?

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-2013-1801 published?

CVE-2013-1801 was published on 2013-04-09 and last updated on 2026-06-16.

CVE-2013-1801

CVE-2013-1801 is a high-severity vulnerability in Jnunemaker Httparty 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: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Jnunemaker Httparty
Published: 2013-04-09
Last modified: 2026-06-16

Description

The httparty gem 0.9.0 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 YAML type conversion, a similar vulnerability to CVE-2013-0156.

Frequently asked questions

What is CVE-2013-1801?: The httparty gem 0.9.0 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 YAML type conversion, a similar vulnerability to CVE-2013-0156.
How severe is CVE-2013-1801?: CVE-2013-1801 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2013-1801 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1801?: CVE-2013-1801 primarily affects Jnunemaker Httparty. In total, 46 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1801?: 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-2013-1801 published?: CVE-2013-1801 was published on 2013-04-09 and last updated on 2026-06-16.

References

Affected products (46)

cpe:2.3:a:jnunemaker:httparty:*:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.1.0:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.1.1:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.1.2:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.1.3:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.1.5:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.1.6:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.1.7:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.1.8:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.2.0:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.2.1:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.2.2:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.2.3:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.2.4:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.2.5:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.2.6:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.2.7:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.2.8:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.2.9:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.2.10:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.3.0:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.3.1:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.4.1:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.4.2:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.4.3:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.4.4:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.4.5:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.5.0:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.5.1:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.5.2:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.6.0:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.7.0:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.7.1:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.7.2:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.7.3:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.7.4:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.7.5:*:*:*:*:*:*:*
cpe:2.3:a:jnunemaker:httparty:0.7.6:*:*:*:*:*:*:*

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