ONLYOFFICE Server 2021-11-08 Document Editor Service server-side request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in ONLYOFFICE Server 2021-11-08. This affects an unknown function of the component Document Editor Service. Executing a manipulation can lead to server-side request forgery. This vulnerability is tracked as CVE-2021-43449. Moreover, an exploit is present.

Detailsinfo

A vulnerability has been found in ONLYOFFICE Server 2021-11-08 and classified as critical. This vulnerability affects some unknown functionality of the component Document Editor Service. The manipulation with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Server-Side Request Forgery (SSRF). The document editor service can be abused to read and serve arbitrary URLs as a document.

The weakness was disclosed 01/23/2023. The advisory is shared for download at labs.nettitude.com. This vulnerability was named CVE-2021-43449 since 11/08/2021. Technical details are unknown but a public exploit is available.

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

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/08/2021 🔍
01/23/2023 +441 days 🔍
01/23/2023 +0 days 🔍
04/02/2025 +800 days 🔍

Sourcesinfo

Advisory: labs.nettitude.com
Status: Not defined

CVE: CVE-2021-43449 (🔍)
GCVE (CVE): GCVE-0-2021-43449
GCVE (VulDB): GCVE-100-219172
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/23/2023 18:53
Updated: 04/02/2025 23:59
Changes: 01/23/2023 18:53 (41), 02/18/2023 13:40 (11), 04/02/2025 23:59 (16)
Complete: 🔍
Cache ID: 216::103

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