Veritas Backup Exec up to 21.1 TLS Communication input improper authentication
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.0 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in Veritas Backup Exec up to 21.1 (Backup Software). This affects an unknown code block of the component TLS Communication Handler. The manipulation of the argument input
with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was presented 03/02/2021. The advisory is shared at veritas.com. This vulnerability is uniquely identified as CVE-2021-27876. Technical details are known, but no exploit is available.
The CISA Known Exploited Vulnerabilities Catalog lists this issue since 04/07/2023 with a due date of 04/28/2023:
Apply updates per vendor instructions.
Upgrading to version 21.2 eliminates this vulnerability.
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: 7.3VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Improper authenticationCWE: CWE-287
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍
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: Veritas Backup Exec 21.2
Timeline
03/01/2021 🔍03/02/2021 🔍
03/02/2021 🔍
03/14/2021 🔍
Sources
Advisory: veritas.comStatus: Confirmed
CVE: CVE-2021-27876 (🔍)
Entry
Created: 03/02/2021 08:10Updated: 03/14/2021 09:31
Changes: 03/02/2021 08:10 (39), 03/06/2021 07:39 (5), 03/06/2021 07:43 (1), 03/14/2021 09:31 (7)
Complete: 🔍
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