multi_xml gem 0.5.2 for Ruby, as used in Grape before 0.2.6 and possibly other products, does not properly restrict casts of string values, which allows remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service (memory and CPU consumption) involving nested XML entity references, by leveraging support for (1) YAML type conversion or (2) Symbol type conversion, a similar vulnerability to CVE-2013-0156
Published Apr 25, 2013
7.5
HIGHCVSS 2.0
EPSS 3.73%
Description
multi_xml gem 0.5.2 for Ruby, as used in Grape before 0.2.6 and possibly other products, does not properly restrict casts of string values, which allows remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service (memory and CPU consumption) involving nested XML entity references, by leveraging support for (1) YAML type conversion or (2) Symbol type conversion, a similar vulnerability to CVE-2013-0156.
Affected products
No data.
Configuration 1
- 0.5.2
Configuration 2
- 0.5.2
- 0.1.0
- 0.1.1
- 0.1.2
- 0.1.3
- 0.1.4
- 0.1.5
- 0.2.0
- 0.2.1
- 0.2.2
- 0.2.3
- 0.2.4
- 0.2.5
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.73% (0.03726) | 89.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.73% (0.03727) | 88.36th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.01% (0.01008) | 75.06th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.99% (0.02986) | 77.53th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.11% (0.01106) | 76.58th | v4 (v2025.03.14) |
| Dec 12, 2024 | 6.52% (0.06521) | 94.01th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.70% (0.05700) | 92.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.29% (0.04291) | 87.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.29% (0.04291) | 86.39th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.29% (0.04291) | 70.14th | v2 (v2022.01.01) |
References (10)
- http://www.openwall.com/lists/oss-security/2013/01/11/9 mailing-listx_refsource_MLIST
- https://gist.github.com/nate/d7f6d9f4925f413621aa x_refsource_CONFIRM
- https://github.com/advisories/GHSA-pchc-949f-53m5 Advisory
- https://github.com/sferik/multi_xml/commit/c94b136d06822514fc2e99dc851e6c4eeb4c8bdf
- https://github.com/sferik/multi_xml/pull/34 x_refsource_CONFIRM
- https://groups.google.com/forum/?fromgroups=#!topic/ruby-grape/fthDkMgIOa0
- https://groups.google.com/forum/?fromgroups=#%21topic/ruby-grape/fthDkMgIOa0 x_refsource_CONFIRM
- https://news.ycombinator.com/item?id=5040457 x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2013-0175
- https://www.openwall.com/lists/oss-security/2013/01/11/9
Change history (0)
No recorded changes yet.