CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.5 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in Mozilla Firefox and Thunderbird (Web Browser) (the affected version is unknown). Affected by this vulnerability is an unknown code of the component IPv6 Address Handler. The manipulation with an unknown input leads to a dns rebinding vulnerability. The CWE definition for the vulnerability is CWE-350. The product performs reverse DNS resolution on an IP address to obtain the hostname and make a security decision, but it does not properly ensure that the IP address is truly associated with the hostname. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was shared 12/09/2020 as mfsa2020-50. It is possible to read the advisory at mozilla.org. This vulnerability is known as CVE-2020-26961. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/14/2020). The attack technique deployed by this issue is T1583.002 according to MITRE ATT&CK.
Upgrading eliminates this vulnerability. The upgrade is hosted for download at mozilla.org.
Product
Type
Vendor
Name
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: 5.7VulDB Meta Temp Score: 5.6
VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
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: Dns rebindingCWE: CWE-350
CAPEC: 🔍
ATT&CK: 🔍
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: mozilla.org
Timeline
10/12/2020 🔍12/09/2020 🔍
12/09/2020 🔍
12/14/2020 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: mfsa2020-50
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2020-26961 (🔍)
Entry
Created: 12/09/2020 10:59Updated: 12/14/2020 09:15
Changes: 12/09/2020 10:59 (40), 12/14/2020 09:09 (6), 12/14/2020 09:15 (18)
Complete: 🔍
Cache ID: 13:226:103
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