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Vulnerability Details :

CVE-2025-47281

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-23 Jul, 2025 | 20:35
Updated At-23 Jul, 2025 | 20:49
Rejected At-
Credits

Kyverno's Improper JMESPath Variable Evaluation Leads to Denial of Service

Kyverno is a policy engine designed for cloud native platform engineering teams. In versions 1.14.1 and below, a Denial of Service (DoS) vulnerability exists due to improper handling of JMESPath variable substitutions. Attackers with permissions to create or update Kyverno policies can craft expressions using the {{@}} variable combined with a pipe and an invalid JMESPath function (e.g., {{@ | non_existent_function }}). This leads to a nil value being substituted into the policy structure. Subsequent processing by internal functions, specifically getValueAsStringMap, which expect string values, results in a panic due to a type assertion failure (interface {} is nil, not string). This crashes Kyverno worker threads in the admission controller and causes continuous crashes of the reports controller pod. This is fixed in version 1.14.2.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:23 Jul, 2025 | 20:35
Updated At:23 Jul, 2025 | 20:49
Rejected At:
▼CVE Numbering Authority (CNA)
Kyverno's Improper JMESPath Variable Evaluation Leads to Denial of Service

Kyverno is a policy engine designed for cloud native platform engineering teams. In versions 1.14.1 and below, a Denial of Service (DoS) vulnerability exists due to improper handling of JMESPath variable substitutions. Attackers with permissions to create or update Kyverno policies can craft expressions using the {{@}} variable combined with a pipe and an invalid JMESPath function (e.g., {{@ | non_existent_function }}). This leads to a nil value being substituted into the policy structure. Subsequent processing by internal functions, specifically getValueAsStringMap, which expect string values, results in a panic due to a type assertion failure (interface {} is nil, not string). This crashes Kyverno worker threads in the admission controller and causes continuous crashes of the reports controller pod. This is fixed in version 1.14.2.

Affected Products
Vendor
kyverno
Product
kyverno
Versions
Affected
  • < 1.14.2
Problem Types
TypeCWE IDDescription
CWECWE-20CWE-20: Improper Input Validation
CWECWE-248CWE-248: Uncaught Exception
Type: CWE
CWE ID: CWE-20
Description: CWE-20: Improper Input Validation
Type: CWE
CWE ID: CWE-248
Description: CWE-248: Uncaught Exception
Metrics
VersionBase scoreBase severityVector
3.17.7HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Version: 3.1
Base score: 7.7
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/kyverno/kyverno/security/advisories/GHSA-r5p3-955p-5ggq
x_refsource_CONFIRM
https://github.com/kyverno/kyverno/commit/cbd7d4ca24de1c55396fc3295e9fc3215832be7c
x_refsource_MISC
Hyperlink: https://github.com/kyverno/kyverno/security/advisories/GHSA-r5p3-955p-5ggq
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/kyverno/kyverno/commit/cbd7d4ca24de1c55396fc3295e9fc3215832be7c
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/kyverno/kyverno/security/advisories/GHSA-r5p3-955p-5ggq
exploit
Hyperlink: https://github.com/kyverno/kyverno/security/advisories/GHSA-r5p3-955p-5ggq
Resource:
exploit
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:23 Jul, 2025 | 21:15
Updated At:05 Aug, 2025 | 15:51

Kyverno is a policy engine designed for cloud native platform engineering teams. In versions 1.14.1 and below, a Denial of Service (DoS) vulnerability exists due to improper handling of JMESPath variable substitutions. Attackers with permissions to create or update Kyverno policies can craft expressions using the {{@}} variable combined with a pipe and an invalid JMESPath function (e.g., {{@ | non_existent_function }}). This leads to a nil value being substituted into the policy structure. Subsequent processing by internal functions, specifically getValueAsStringMap, which expect string values, results in a panic due to a type assertion failure (interface {} is nil, not string). This crashes Kyverno worker threads in the admission controller and causes continuous crashes of the reports controller pod. This is fixed in version 1.14.2.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.7HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Type: Secondary
Version: 3.1
Base score: 7.7
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CPE Matches
kyverno
kyverno
>>kyverno>>Versions before 1.14.2(exclusive)
cpe:2.3:a:kyverno:kyverno:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-20Primarysecurity-advisories@github.com
CWE-248Primarysecurity-advisories@github.com
CWE ID: CWE-20
Type: Primary
Source: security-advisories@github.com
CWE ID: CWE-248
Type: Primary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/kyverno/kyverno/commit/cbd7d4ca24de1c55396fc3295e9fc3215832be7csecurity-advisories@github.com
Patch
https://github.com/kyverno/kyverno/security/advisories/GHSA-r5p3-955p-5ggqsecurity-advisories@github.com
Vendor Advisory
Exploit
Mitigation
https://github.com/kyverno/kyverno/security/advisories/GHSA-r5p3-955p-5ggq134c704f-9b21-4f2e-91b3-4a467353bcc0
Vendor Advisory
Exploit
Mitigation
Hyperlink: https://github.com/kyverno/kyverno/commit/cbd7d4ca24de1c55396fc3295e9fc3215832be7c
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/kyverno/kyverno/security/advisories/GHSA-r5p3-955p-5ggq
Source: security-advisories@github.com
Resource:
Vendor Advisory
Exploit
Mitigation
Hyperlink: https://github.com/kyverno/kyverno/security/advisories/GHSA-r5p3-955p-5ggq
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource:
Vendor Advisory
Exploit
Mitigation

Change History

0
Information is not available yet

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||
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Published-28 Jan, 2022 | 21:42
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Known To Be Used In Ransomware Campaigns?-Not Available
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Published-28 Jan, 2022 | 21:42
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Assigner-Talos
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Assigner-Talos
CVSS Score-8.6||HIGH
EPSS-0.15% / 36.32%
||
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Published-28 Jan, 2022 | 21:42
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Known To Be Used In Ransomware Campaigns?-Not Available
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A denial of service vulnerability exists in the cgiserver.cgi JSON command parser functionality of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted HTTP request can lead to a reboot. AddUser param is not object. An attacker can send an HTTP request to trigger this vulnerability.

Action-Not Available
Vendor-n/aReolink Innovation Limited
Product-rlc-410w_firmwarerlc-410wn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2022-20679
Matching Score-4
Assigner-Cisco Systems, Inc.
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Matching Score-4
Assigner-Cisco Systems, Inc.
CVSS Score-6.8||MEDIUM
EPSS-0.80% / 73.03%
||
7 Day CHG~0.00%
Published-15 Apr, 2022 | 14:16
Updated-16 Sep, 2024 | 22:09
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Cisco IOS XE Software IPSec Denial of Service Vulnerability

A vulnerability in the IPSec decryption routine of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. This vulnerability is due to buffer exhaustion that occurs while traffic on a configured IPsec tunnel is being processed. An attacker could exploit this vulnerability by sending traffic to an affected device that has a maximum transmission unit (MTU) of 1800 bytes or greater. A successful exploit could allow the attacker to cause the device to reload. To exploit this vulnerability, the attacker may need access to the trusted network where the affected device is in order to send specific packets to be processed by the device. All network devices between the attacker and the affected device must support an MTU of 1800 bytes or greater. This access requirement could limit the possibility of a successful exploit.

Action-Not Available
Vendor-Cisco Systems, Inc.
Product-ios_xeCisco IOS XE Software
CWE ID-CWE-20
Improper Input Validation
CVE-2021-44385
Matching Score-4
Assigner-Talos
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Matching Score-4
Assigner-Talos
CVSS Score-8.6||HIGH
EPSS-0.21% / 42.80%
||
7 Day CHG~0.00%
Published-28 Jan, 2022 | 21:42
Updated-15 Apr, 2025 | 19:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A denial of service vulnerability exists in the cgiserver.cgi JSON command parser functionality of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted HTTP request can lead to a reboot. SetPtzSerial param is not object. An attacker can send an HTTP request to trigger this vulnerability.

Action-Not Available
Vendor-n/aReolink Innovation Limited
Product-rlc-410w_firmwarerlc-410wn/a
CWE ID-CWE-20
Improper Input Validation
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