CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
3.4 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, was found in FFmpeg 4.2.1 (Multimedia Processing Software). This affects the function long_term_filter
of the file g729postfilter.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality.
The weakness was published 09/20/2021 as 8176. It is possible to read the advisory at trac.ffmpeg.org. This vulnerability is uniquely identified as CVE-2020-20902 since 08/13/2020. Technical details of the vulnerability are known, but there is no available exploit.
Applying the patch 0c61661a2cbe1b8b284c80ada1c2fdddf4992cad is able to eliminate this problem. The bugfix is ready for download at git.videolan.org.
Product
Type
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: 3.5VulDB Meta Temp Score: 3.4
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
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: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Partially
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: PatchStatus: 🔍
0-Day Time: 🔍
Patch: 0c61661a2cbe1b8b284c80ada1c2fdddf4992cad
Timeline
08/13/2020 🔍09/20/2021 🔍
09/20/2021 🔍
09/29/2021 🔍
Sources
Product: ffmpeg.orgAdvisory: 8176
Status: Confirmed
CVE: CVE-2020-20902 (🔍)
Entry
Created: 09/20/2021 21:22Updated: 09/29/2021 10:17
Changes: 09/20/2021 21:22 (42), 09/29/2021 10:11 (1), 09/29/2021 10:17 (1)
Complete: 🔍
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