CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.5 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in Synology SSL VPN Client up to 1.2.4 (Network Encryption Software). Affected is an unknown functionality of the component HTTP Daemon. The manipulation with an unknown input leads to a path error vulnerability. CWE is classifying the issue as CWE-417. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Improper restriction of communication channel to intended endpoints vulnerability in HTTP daemon in Synology SSL VPN Client before 1.2.4-0224 allows remote attackers to conduct man-in-the-middle attacks via a crafted payload.
The bug was discovered 04/26/2018. The weakness was disclosed 07/06/2018 (Website). The advisory is shared for download at synology.com. This vulnerability is traded as CVE-2018-8929 since 03/22/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.
The vulnerability was handled as a non-public zero-day exploit for at least 71 days. During that time the estimated underground price was around $0-$5k.
Upgrading to version 1.2.4-0224 eliminates this vulnerability.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.6VulDB Meta Temp Score: 7.5
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.1
NVD Vector: 🔍
CNA Base Score: 7.3
CNA Vector (Synology 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: Path errorCWE: CWE-417
ATT&CK: Unknown
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: 🔍
Upgrade: SSL VPN Client 1.2.4-0224
Timeline
03/22/2018 🔍04/26/2018 🔍
07/06/2018 🔍
07/06/2018 🔍
07/06/2018 🔍
04/03/2023 🔍
Sources
Vendor: synology.comAdvisory: SA_18_19
Status: Not defined
CVE: CVE-2018-8929 (🔍)
Entry
Created: 07/06/2018 22:05Updated: 04/03/2023 22:47
Changes: 07/06/2018 22:05 (59), 02/26/2020 09:57 (1), 04/03/2023 22:37 (4), 04/03/2023 22:47 (11)
Complete: 🔍
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