CVE-2021-3823: bitdefender gravityzone Path Traversal
CVSS: 9.8v3.1CriticalModified
Published 28-10-2021Last modified 16-09-2024
Vulnerability summary
CVE-2021-3823 is a critical (CVSS 9.8) Path Traversal vulnerability in bitdefender gravityzone. EPSS estimates a 1.06% chance of exploitation in the next 30 days, higher than 64% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.06%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 28-10-2021PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in the UpdateServer component of Bitdefender GravityZone allows an attacker to execute arbitrary code on vulnerable instances. This issue affects: Bitdefender GravityZone versions prior to 3.3.8.249.
CVSS metrics
3 scores · 2 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources2 sources · 7.1–9.8
- CVE.orgCNA7.1HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:NDiffers
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.06%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
0.00 pp
From 1.06% on 19-09-2026
19-09-202619-10-2026
EPSS score1.06%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Bitdefender2 products
- gravityzone< 3.3.8.249
- gravityzone_update_server≥ unspecified, < 3.3.8.249
1 vendor · 2 products