CVE-2021-24085: microsoft exchange_server
CVSS: 6.5v3.1MediumModified
Published 25-02-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-24085 is a medium (CVSS 6.5) vulnerability in microsoft exchange_server. EPSS estimates a 4.63% chance of exploitation in the next 30 days, higher than 91.6% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
4.63%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 25-02-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Microsoft Exchange Server Spoofing Vulnerability
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Medium 6.0Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
4.63%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
0.00 pp
From 4.63% on 20-09-2026
20-09-202620-10-2026
EPSS score4.63%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Microsoft5 products
- exchange_server2016:cumulative_update_18 | 2016:cumulative_update_19 | 2019:cumulative_update_7 | 2019:cumulative_update_8
- microsoft exchange server 2016 cumulative update 18≥ 15.01.0, < publication
- microsoft exchange server 2016 cumulative update 19≥ 15.01.0, < publication
- microsoft exchange server 2019 cumulative update 7≥ 15.02.0, < publication
- microsoft exchange server 2019 cumulative update 8≥ 15.02.0, < publication
1 vendor · 5 products
References
1 links- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24085X Refsource MISCPatchVendor Advisory