Cisco Wide Area Application Services HTTPS Proxy Connection Request missing authentication

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in Cisco Wide Area Application Services. The affected element is an unknown function of the component HTTPS Proxy. Such manipulation as part of Connection Request leads to missing authentication. This vulnerability is documented as CVE-2019-1876. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.
Details
A vulnerability was found in Cisco Wide Area Application Services (unknown version). It has been rated as critical. Affected by this issue is an unknown code block of the component HTTPS Proxy. The manipulation as part of a Connection Request leads to a missing authentication vulnerability. Using CWE to declare the problem leads to CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. Impacted is confidentiality, integrity, and availability. CVE summarizes:
A vulnerability in the HTTPS proxy feature of Cisco Wide Area Application Services (WAAS) Software could allow an unauthenticated, remote attacker to use the Central Manager as an HTTPS proxy. The vulnerability is due to insufficient authentication of proxy connection requests. An attacker could exploit this vulnerability by sending a malicious HTTPS CONNECT message to the Central Manager. A successful exploit could allow the attacker to access public internet resources that would normally be blocked by corporate policies.
The weakness was released 06/20/2019 as cisco-sa-20190619-waas-authbyp as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2019-1876 since 12/06/2018. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.
Upgrading eliminates this vulnerability.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Vendor
Name
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔍
CNA Base Score: 4.0
CNA Vector (Cisco Systems, Inc.): 🔍
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: Missing authenticationCWE: CWE-306 / CWE-287
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 |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
12/06/2018 🔍06/20/2019 🔍
06/20/2019 🔍
10/07/2023 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20190619-waas-authbyp
Status: Confirmed
CVE: CVE-2019-1876 (🔍)
GCVE (CVE): GCVE-0-2019-1876
GCVE (VulDB): GCVE-100-136736
SecurityFocus: 108863
Entry
Created: 06/20/2019 12:10Updated: 10/07/2023 07:44
Changes: 06/20/2019 12:10 (40), 06/26/2020 09:10 (17), 10/07/2023 07:37 (4), 10/07/2023 07:44 (12)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
No comments yet. Languages: en.
Please log in to comment.