Microsoft Exchange Server Vulnerabilities

Timeline

The analysis of the timeline helps to identify the required approach and handling of single vulnerabilities and vulnerability collections. This overview makes it possible to see less important slices and more severe hotspots at a glance. Initiating immediate vulnerability response and prioritizing of issues is possible.

Last Year

The analysis of the timeline helps to identify the required approach and handling of single vulnerabilities and vulnerability collections. This overview makes it possible to see less important slices and more severe hotspots at a glance. Initiating immediate vulnerability response and prioritizing of issues is possible.

Version

2013 CU2354
2016 CU2340
2019 CU1238
2019 CU1122
2019 CU1320

Grouping all affected versions of a specific product helps to determine existing issues. This makes it possible to determine vendors and products which need attention when it comes to remediations.

Remediation

Official Fix149
Temporary Fix0
Workaround1
Unavailable1
Not Defined6

Vendors and researchers are eager to find countermeasures to mitigate security vulnerabilities. These can be distinguished between multiple forms and levels of remediation which influence risks differently.

Exploitability

High4
Functional7
Proof-of-Concept18
Unproven73
Not Defined55

Researcher and attacker which are looking for security vulnerabilities try to exploit them for academic purposes or personal gain. The level and quality of exploitability can be distinguished to determine simplicity and strength of attacks.

Access Vector

Not Defined0
Physical0
Local4
Adjacent18
Network135

The approach a vulnerability it becomes important to use the expected access vector. This is typically via the network, local, or physically even.

Authentication

Not Defined0
High13
Low62
None82

To exploit a vulnerability a certail level of authentication might be required. Vulnerabilities without such a requirement are much more popular.

User Interaction

Not Defined0
Required52
None105

Some attack scenarios require some user interaction by a victim. This is typical for phishing, social engineering and cross site scripting attacks.

C3BM Index

Our unique C3BM Index (CVSSv3 Base Meta Index) cumulates the CVSSv3 Meta Base Scores of all entries over time. Comparing this index to the amount of disclosed vulnerabilities helps to pinpoint the most important events.

Last Year

Our unique C3BM Index (CVSSv3 Base Meta Index) cumulates the CVSSv3 Meta Base Scores of all entries over time. Comparing this index to the amount of disclosed vulnerabilities helps to pinpoint the most important events.

CVSSv3 Base

≤10
≤20
≤30
≤40
≤524
≤624
≤724
≤829
≤943
≤1013

The Common Vulnerability Scoring System (CVSS) is an industry standard to define the characteristics and impacts of security vulnerabilities. The base score represents the intrinsic aspects that are constant over time and across user environments. Our unique meta score merges all available scores from different sources to aggregate to the most reliable result.

CVSSv3 Temp

≤10
≤20
≤30
≤44
≤530
≤627
≤723
≤842
≤928
≤103

The Common Vulnerability Scoring System (CVSS) uses temp scores to reflect the characteristics of a vulnerability that may change over time but not across user environments. This includes reporting confidence, exploitability and remediation levels. We do also provide our unique meta score for temp scores, even though other sources rarely publish them.

VulDB

≤10
≤20
≤31
≤44
≤530
≤618
≤724
≤828
≤937
≤1015

The moderation team is always defining the base vector and base score for an entry. These and all other available scores are used to generate the meta score.

NVD

≤10
≤20
≤30
≤40
≤54
≤611
≤716
≤813
≤915
≤1011

The National Vulnerability Database (NVD) is also defining CVSS vectors and scores. These are usually not complete and might differ from VulDB scores.

CNA

≤10
≤20
≤30
≤40
≤51
≤62
≤71
≤823
≤914
≤102

A CVE Numbering Authority (CNA) is responsible for assigning new CVE entries. They might also include a CVSS score. These are usually not complete and might differ from VulDB scores.

Vendor

≤10
≤20
≤30
≤40
≤51
≤64
≤711
≤838
≤922
≤1012

Some vendors are willing to publish their own CVSS vectors and scores for vulnerabilities in their products. The coverage varies from vendor to vendor.

Research

≤10
≤20
≤30
≤40
≤50
≤60
≤70
≤80
≤90
≤100

There are sometimes also security researcher which provide their own CVSS vectors and scores for vulnerabilities they have found and published.

Exploit 0-day

<1k0
<2k0
<5k0
<10k5
<25k78
<50k59
<100k15
≥100k0

The moderation team is working with the threat intelligence team to determine prices for exploits. Our unique algorithm is used to identify the 0-day prices for an exploit, before it got distributed or became public. Calculated prices are aligned to prices disclosed by vulnerability broker and compared to prices we see on exploit markets.

Exploit Today

<1k62
<2k8
<5k39
<10k44
<25k3
<50k1
<100k0
≥100k0

The 0-day prices do not consider time-relevant factors. The today price does reflect price impacts like disclosure of vulnerability details, alternative exploits, availability of countermeasures. These dynamic aspects might decrease the exploit prices over time. Under certain circumstances this happens very fast.

Exploit Market Volume

Our unique calculation of exploit prices makes it possible to forecast the expected exploit market volume. The calculated prices for all possible 0-day expoits are cumulated for this task. Comparing the volume to the amount of disclosed vulnerabilities helps to pinpoint the most important events.

Last Year

Our unique calculation of exploit prices makes it possible to forecast the expected exploit market volume. The calculated prices for all possible 0-day expoits are cumulated for this task. Comparing the volume to the amount of disclosed vulnerabilities helps to pinpoint the most important events.

🔴 CTI Activities

Our unique Cyber Threat Intelligence aims to determine the ongoing research of actors to anticipiate their acitivities. Observing exploit markets on the Darknet, discussions of vulnerabilities on mailinglists, and exchanges on social media makes it possible to identify planned attacks. Monitored actors and activities are classified whether they are offensive or defensive. They are also weighted as some actors are well-known for certain products and technologies. And some of their disclosures might contain more or less details about technical aspects and personal context. The world map highlights active actors in real-time.

Affected Versions (78): 5.0, 2000, 2003, 2003 CU7, 2003 SP1, 2007, 2010, 2010 SP1 UR23, 2010 SP3, 2010 SP3 UR20, 2010 SP3 UR21, 2010 SP3 UR26, 2010 SP3 UR30, 2010 SP3 Update Rollup 31, 2013, 2013 CU8, 2013 CU9, 2013 CU 10, 2013 CU 11, 2013 CU12, 2013 CU16, 2013 CU18, 2013 CU19, 2013 CU20, 2013 CU21, 2013 CU22, 2013 CU23, 2013 Cumulative Update 23, 2013 SP1, 2013 SP1 CU8, 2013 SP3, 2016, 2016 CU5, 2016 CU6, 2016 CU7, 2016 CU8, 2016 CU9, 2016 CU10, 2016 CU11, 2016 CU12, 2016 CU13, 2016 CU14, 2016 CU15, 2016 CU16, 2016 CU17, 2016 CU18, 2016 CU19, 2016 CU20, 2016 CU 21, 2016 CU21, 2016 CU22, 2016 CU 22, 2016 CU23, 2016 Cumulative Update 21, 2016 Cumulative Update 22, 2016 Update 16, 2016 Update 17, 2017 CU8, 2019, 2019 CU1, 2019 CU2, 2019 CU3, 2019 CU4, 2019 CU6, 2019 CU7, 2019 CU8, 2019 CU9, 2019 CU 10, 2019 CU10, 2019 CU11, 2019 CU 11, 2019 CU12, 2019 CU13, 2019 CU14, 2019 Cumulative Update 10, 2019 Cumulative Update 11, 2019 Update 5, 2019 Update 6

Link to Product Website: https://www.microsoft.com/

Software Type: Groupware Software

PublishedBaseTempVulnerability0dayTodayExpRemCTICVE
03/12/20248.87.7Microsoft Exchange Server Remote Code Execution$25k-$100k$5k-$25kUnprovenOfficial Fix0.03CVE-2024-26198
02/13/20249.89.3Microsoft Exchange Server Remote Code Execution$25k-$100k$5k-$25kFunctionalOfficial Fix0.00CVE-2024-21410
11/14/20238.07.3Microsoft Exchange Server Privilege Escalation$5k-$25k$5k-$25kUnprovenOfficial Fix0.03CVE-2023-36439
11/14/20238.07.3Microsoft Exchange Server Privilege Escalation$5k-$25k$5k-$25kUnprovenOfficial Fix0.04CVE-2023-36050
11/14/20238.07.3Microsoft Exchange Server Privilege Escalation$5k-$25k$5k-$25kUnprovenOfficial Fix0.04CVE-2023-36039
11/14/20238.07.3Microsoft Exchange Server Privilege Escalation$5k-$25k$5k-$25kUnprovenOfficial Fix0.05CVE-2023-36035
11/07/20236.36.3Microsoft Exchange Server URI Validator CreateAttachmentFromUri server-side request forgery$5k-$25k$5k-$25kNot DefinedNot Defined0.02
11/07/20236.36.3Microsoft Exchange Server URI Validator DownloadDataFromOfficeMarketPlace server-side request forgery$5k-$25k$5k-$25kNot DefinedNot Defined0.02
11/07/20234.34.3Microsoft Exchange Server URI Validator DownloadDataFromUri information disclosure$5k-$25k$5k-$25kNot DefinedNot Defined0.03
11/07/20237.57.2Microsoft Exchange Server ChainedSerializationBinder deserialization$25k-$100k$5k-$25kNot DefinedOfficial Fix0.02
10/10/20238.07.3Microsoft Exchange Server Privilege Escalation$5k-$25k$5k-$25kUnprovenOfficial Fix0.03CVE-2023-36778
09/12/20235.04.6Microsoft Exchange Server information disclosure$5k-$25k$0-$5kUnprovenOfficial Fix0.00CVE-2023-36777
09/12/20238.07.3Microsoft Exchange Server Privilege Escalation$5k-$25k$5k-$25kUnprovenOfficial Fix0.01CVE-2023-36757
09/12/20238.07.3Microsoft Exchange Server Privilege Escalation$5k-$25k$5k-$25kUnprovenOfficial Fix0.01CVE-2023-36756
09/12/20238.37.6Microsoft Exchange Server Privilege Escalation$25k-$100k$5k-$25kUnprovenOfficial Fix0.06CVE-2023-36745
09/12/20238.07.3Microsoft Exchange Server Privilege Escalation$5k-$25k$5k-$25kUnprovenOfficial Fix0.02CVE-2023-36744
08/08/20238.88.1Microsoft Exchange Server Privilege Escalation$25k-$100k$5k-$25kUnprovenOfficial Fix0.02CVE-2023-38181
08/08/20239.88.9Microsoft Exchange Server excessive authentication$25k-$100k$5k-$25kUnprovenOfficial Fix0.04CVE-2023-21709
08/08/20238.37.6Microsoft Exchange Server Privilege Escalation$25k-$100k$5k-$25kUnprovenOfficial Fix0.00CVE-2023-38182
08/08/20238.37.6Microsoft Exchange Server Privilege Escalation$25k-$100k$5k-$25kUnprovenOfficial Fix0.02CVE-2023-35388
08/08/20238.88.1Microsoft Exchange Server Privilege Escalation$25k-$100k$5k-$25kUnprovenOfficial Fix0.02CVE-2023-38185
08/08/20238.88.1Microsoft Exchange Server Remote Code Execution$25k-$100k$5k-$25kUnprovenOfficial Fix0.02CVE-2023-35368
06/13/20238.88.1Microsoft Exchange Server Privilege Escalation$25k-$100k$5k-$25kUnprovenOfficial Fix0.01CVE-2023-32031
06/13/20238.07.3Microsoft Exchange Server Privilege Escalation$5k-$25k$5k-$25kUnprovenOfficial Fix0.04CVE-2023-28310
02/14/20237.26.6Microsoft Exchange Server Privilege Escalation$5k-$25k$5k-$25kUnprovenOfficial Fix0.04CVE-2023-21710

132 more entries are not shown

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