Email Extension Plugin up to 2.75 on Jenkins SMTP Server Hostname certificate validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.8 | $0-$5k | 0.00 |
A vulnerability was found in Email Extension Plugin up to 2.75 on Jenkins (Jenkins Plugin). It has been declared as problematic. Affected by this vulnerability is an unknown code of the component SMTP Server Handler. The manipulation as part of a Hostname leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-297. The product communicates with a host that provides a certificate, but the product does not properly ensure that the certificate is actually associated with that host. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:
Jenkins Email Extension Plugin 2.75 and earlier does not perform hostname validation when connecting to the configured SMTP server.
The weakness was published 09/16/2020 (Website). The advisory is shared at jenkins.io. This vulnerability is known as CVE-2020-2253 since 12/05/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1587.003 for this issue.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Product
Type
Name
Version
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
- 2.5
- 2.6
- 2.7
- 2.8
- 2.9
- 2.10
- 2.11
- 2.12
- 2.13
- 2.14
- 2.15
- 2.16
- 2.17
- 2.18
- 2.19
- 2.20
- 2.21
- 2.22
- 2.23
- 2.24
- 2.25
- 2.26
- 2.27
- 2.28
- 2.29
- 2.30
- 2.31
- 2.32
- 2.33
- 2.34
- 2.35
- 2.36
- 2.37
- 2.38
- 2.39
- 2.40
- 2.41
- 2.42
- 2.43
- 2.44
- 2.45
- 2.46
- 2.47
- 2.48
- 2.49
- 2.50
- 2.51
- 2.52
- 2.53
- 2.54
- 2.55
- 2.56
- 2.57
- 2.58
- 2.59
- 2.60
- 2.61
- 2.62
- 2.63
- 2.64
- 2.65
- 2.66
- 2.67
- 2.68
- 2.69
- 2.70
- 2.71
- 2.72
- 2.73
- 2.74
- 2.75
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.8VulDB Meta Temp Score: 4.8
VulDB Base Score: 4.8
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 4.8
NVD Vector: 🔍
CVSSv2
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Certificate validationCWE: CWE-297 / CWE-295 / CWE-287
ATT&CK: T1587.003
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
12/05/2019 🔍09/16/2020 🔍
09/16/2020 🔍
09/16/2020 🔍
Sources
Advisory: jenkins.ioStatus: Not defined
CVE: CVE-2020-2253 (🔍)
Entry
Created: 09/16/2020 21:14Updated: 09/16/2020 21:19
Changes: 09/16/2020 21:14 (38), 09/16/2020 21:19 (18)
Complete: 🔍
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