Apache HTTP Server up to 2.4.46 mod_proxy_http null pointer dereference

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in Apache HTTP Server up to 2.4.46. The impacted element is an unknown function of the component mod_proxy_http. The manipulation results in null pointer dereference. This vulnerability is identified as CVE-2020-13950. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.
Details
A vulnerability was found in Apache HTTP Server up to 2.4.46 (Web Server). It has been classified as problematic. Affected is some unknown functionality of the component mod_proxy_http. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.
The weakness was released 06/10/2021. The advisory is available at httpd.apache.org. This vulnerability is traded as CVE-2020-13950. The technical details are unknown and an exploit is not available.
Upgrading to version 2.4.48 eliminates this vulnerability.
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Product
Type
Vendor
Name
Version
- 2.4.0
- 2.4.1
- 2.4.2
- 2.4.3
- 2.4.4
- 2.4.5
- 2.4.6
- 2.4.7
- 2.4.8
- 2.4.9
- 2.4.10
- 2.4.11
- 2.4.12
- 2.4.13
- 2.4.14
- 2.4.15
- 2.4.16
- 2.4.17
- 2.4.18
- 2.4.19
- 2.4.20
- 2.4.21
- 2.4.22
- 2.4.23
- 2.4.24
- 2.4.25
- 2.4.26
- 2.4.27
- 2.4.28
- 2.4.29
- 2.4.30
- 2.4.31
- 2.4.32
- 2.4.33
- 2.4.34
- 2.4.35
- 2.4.36
- 2.4.37
- 2.4.38
- 2.4.39
- 2.4.40
- 2.4.41
- 2.4.42
- 2.4.43
- 2.4.44
- 2.4.45
- 2.4.46
License
Website
- Vendor: https://www.apache.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: HTTP Server 2.4.48
Timeline
06/08/2020 🔍06/10/2021 🔍
06/10/2021 🔍
06/12/2021 🔍
Sources
Vendor: apache.orgAdvisory: httpd.apache.org
Status: Confirmed
CVE: CVE-2020-13950 (🔍)
GCVE (CVE): GCVE-0-2020-13950
GCVE (VulDB): GCVE-100-176766
Entry
Created: 06/10/2021 16:33Updated: 06/12/2021 20:40
Changes: 06/10/2021 16:33 (40), 06/12/2021 20:40 (5)
Complete: 🔍
Cache ID: 216::103
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