Telegram App Terminate Session session expiration

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Telegram App. This affects an unknown function of the component Terminate Session Handler. Performing a manipulation results in session expiration. This vulnerability is identified as CVE-2021-27351. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in Telegram App (version now known). This affects some unknown processing of the component Terminate Session Handler. The manipulation with an unknown input leads to a session expiration vulnerability. CWE is classifying the issue as CWE-613. According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization." This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 02/20/2021. It is possible to read the advisory at 0ffsecninja.github.io. This vulnerability is uniquely identified as CVE-2021-27351. Technical details are unknown but an exploit is available.

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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Session expiration
CWE: CWE-613
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

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

02/16/2021 🔍
02/20/2021 +4 days 🔍
02/20/2021 +0 days 🔍
03/03/2021 +11 days 🔍

Sourcesinfo

Advisory: 0ffsecninja.github.io
Status: Not defined

CVE: CVE-2021-27351 (🔍)
GCVE (CVE): GCVE-0-2021-27351
GCVE (VulDB): GCVE-100-170211
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/20/2021 21:39
Updated: 03/03/2021 22:30
Changes: 02/20/2021 21:39 (36), 03/03/2021 22:23 (2), 03/03/2021 22:30 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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