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CVE-2023-40309

27
FAUCET Score

CVE-2023-40309 is a critical vulnerability in SAP CommonCryptoLib that allows for escalation of privileges due to missing or incorrect authentication checks. This flaw impacts numerous SAP products, including NetWeaver, HANA Database, and Web Dispatcher. With a CVSS score of 9.8, it presents a severe risk, enabling an unauthenticated attacker to gain full control over affected systems, leading to data compromise and service disruption. Currently, there is no public exploit code or evidence of active exploitation, and community discussion and media coverage remain low.

Impacted Technologies

VendorProductVersion(s)CPE
8.0.0CPE matchmatch criteria
cpe:2.3:a:sap:commoncryptolib:8.0.0:*:*:*:*:*:*:*
6.50CPE matchmatch criteria
cpe:2.3:a:sap:content_server:6.50:*:*:*:*:*:*:*
7.53CPE matchmatch criteria
cpe:2.3:a:sap:content_server:7.53:*:*:*:*:*:*:*
7.54CPE matchmatch criteria
cpe:2.3:a:sap:content_server:7.54:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:sap:extended_application_services_and_runtime:1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.75%
Probability of exploitation in next 30 days
EPSS Percentile
51.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0075 is in the 34th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

me.sap.com / notes/3340576
Permissions RequiredVendor Advisory
sap.com / documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html
Vendor Advisory