Tiny RSS 17.4/829d478f URL input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Tiny RSS. Affected is an unknown function of the component URL Handler. Executing a manipulation can lead to input validation. The identification of this vulnerability is CVE-2020-25787. The attack may be launched remotely. Furthermore, there is an exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Tiny RSS and classified as critical. This vulnerability affects an unknown function of the component URL Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. It does not validate all URLs before requesting them.

The weakness was shared 09/19/2020. This vulnerability was named CVE-2020-25787 since 09/19/2020. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 2020-09-16 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (49606) and EUVD (EUVD-2020-18437). The entries VDB-161646 and VDB-161645 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.3

VulDB Base Score: 9.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Tiny RSS 2020-09-16

Timelineinfo

09/16/2020 🔍
09/19/2020 +3 days 🔍
09/19/2020 +0 days 🔍
09/20/2020 +1 days 🔍
12/23/2025 +1920 days 🔍

Sourcesinfo

Status: Confirmed

CVE: CVE-2020-25787 (🔍)
GCVE (CVE): GCVE-0-2020-25787
GCVE (VulDB): GCVE-100-161644
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 09/20/2020 06:26
Updated: 12/23/2025 21:14
Changes: 09/20/2020 06:26 (37), 09/20/2020 06:31 (17), 02/13/2025 02:09 (28), 12/23/2025 16:49 (1), 12/23/2025 21:14 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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