| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.0 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in Apache Tomcat up to 7.0.90/8.5.33/9.0.11. The impacted element is an unknown function of the component URL Handler. Performing a manipulation results in redirect. This vulnerability is identified as CVE-2018-11784. The attack can be initiated remotely. Additionally, an exploit exists. You should upgrade the affected component.
Details
A vulnerability was found in Apache Tomcat up to 7.0.90/8.5.33/9.0.11 (Application Server Software). It has been classified as problematic. This affects some unknown functionality of the component URL Handler. The manipulation with an unknown input leads to a redirect vulnerability. CWE is classifying the issue as CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
When the default servlet in Apache Tomcat versions 9.0.0.M1 to 9.0.11, 8.5.0 to 8.5.33 and 7.0.23 to 7.0.90 returned a redirect to a directory (e.g. redirecting to '/foo/' when the user requested '/foo') a specially crafted URL could be used to cause the redirect to be generated to any URI of the attackers choice.
The bug was discovered 10/03/2018. The weakness was released 10/04/2018 (Website). It is possible to read the advisory at lists.apache.org. This vulnerability is uniquely identified as CVE-2018-11784 since 06/05/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1204.001 according to MITRE ATT&CK.
The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 118036 (Apache Tomcat 8.5.x < 8.5.34 Open Redirect Weakness), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13390 (McAfee Web Gateway Multiple Vulnerabilities (SB10264)).
Upgrading 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 (50118), Tenable (118036) and SecurityFocus (BID 105524†). Entries connected to this vulnerability are available at VDB-112267, VDB-115920, VDB-125264 and VDB-129727. Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
Version
- 7.0.0
- 7.0.1
- 7.0.2
- 7.0.3
- 7.0.4
- 7.0.5
- 7.0.6
- 7.0.7
- 7.0.8
- 7.0.9
- 7.0.10
- 7.0.11
- 7.0.12
- 7.0.13
- 7.0.14
- 7.0.15
- 7.0.16
- 7.0.17
- 7.0.18
- 7.0.19
- 7.0.20
- 7.0.21
- 7.0.22
- 7.0.23
- 7.0.24
- 7.0.25
- 7.0.26
- 7.0.27
- 7.0.28
- 7.0.29
- 7.0.30
- 7.0.31
- 7.0.32
- 7.0.33
- 7.0.34
- 7.0.35
- 7.0.36
- 7.0.37
- 7.0.38
- 7.0.39
- 7.0.40
- 7.0.41
- 7.0.42
- 7.0.43
- 7.0.44
- 7.0.45
- 7.0.46
- 7.0.47
- 7.0.48
- 7.0.49
- 7.0.50
- 7.0.51
- 7.0.52
- 7.0.53
- 7.0.54
- 7.0.55
- 7.0.56
- 7.0.57
- 7.0.58
- 7.0.59
- 7.0.60
- 7.0.61
- 7.0.62
- 7.0.63
- 7.0.64
- 7.0.65
- 7.0.66
- 7.0.67
- 7.0.68
- 7.0.69
- 7.0.70
- 7.0.71
- 7.0.72
- 7.0.73
- 7.0.74
- 7.0.75
- 7.0.76
- 7.0.77
- 7.0.78
- 7.0.79
- 7.0.80
- 7.0.81
- 7.0.82
- 7.0.83
- 7.0.84
- 7.0.85
- 7.0.86
- 7.0.87
- 7.0.88
- 7.0.89
- 7.0.90
- 8.5.0
- 8.5.1
- 8.5.2
- 8.5.3
- 8.5.4
- 8.5.5
- 8.5.6
- 8.5.7
- 8.5.8
- 8.5.9
- 8.5.10
- 8.5.11
- 8.5.12
- 8.5.13
- 8.5.14
- 8.5.15
- 8.5.16
- 8.5.17
- 8.5.18
- 8.5.19
- 8.5.20
- 8.5.21
- 8.5.22
- 8.5.23
- 8.5.24
- 8.5.25
- 8.5.26
- 8.5.27
- 8.5.28
- 8.5.29
- 8.5.30
- 8.5.31
- 8.5.32
- 8.5.33
- 9.0.0
- 9.0.1
- 9.0.2
- 9.0.3
- 9.0.4
- 9.0.5
- 9.0.6
- 9.0.7
- 9.0.8
- 9.0.9
- 9.0.10
- 9.0.11
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: 5.0
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 4.3
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| 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: RedirectCWE: CWE-601
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: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 118036
Nessus Name: Apache Tomcat 8.5.x < 8.5.34 Open Redirect Weakness
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
06/05/2018 🔍09/19/2018 🔍
10/03/2018 🔍
10/03/2018 🔍
10/04/2018 🔍
10/04/2018 🔍
10/05/2018 🔍
10/10/2018 🔍
02/02/2025 🔍
Sources
Vendor: apache.orgAdvisory: RHSA-2019:0130
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2018-11784 (🔍)
GCVE (CVE): GCVE-0-2018-11784
GCVE (VulDB): GCVE-100-124791
SecurityFocus: 105524 - Apache Tomcat CVE-2018-11784 Open Redirection Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 10/05/2018 07:07Updated: 02/02/2025 21:07
Changes: 10/05/2018 07:07 (72), 03/29/2020 17:11 (6), 05/22/2023 09:30 (4), 02/02/2025 21:07 (23)
Complete: 🔍
Cache ID: 216:30C:103
Be aware that VulDB is the high quality source for vulnerability data.

No comments yet. Languages: en.
Please log in to comment.