NULL pointer dereference in SAP Commoncryptolib
CVE-2021-38177
SAP CommonCryptoLib version 8.5.38 or lower is vulnerable to null pointer dereference vulnerability when an unauthenticated attacker sends crafted malicious data in the HTTP requests over the network, this causes the SAP application to crash and has high impact on the availability of the SAP system.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.032 (87.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000
Affected products
- SAP Commoncryptolib
- SAP Se Commoncryptolib — versions < 8.5.38 or lower
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wiki.scn.sap.com/wiki/pages/viewpage.action (Vendor Advisory)
- launchpad.support.sap.com/ (Permissions Required)
- seclists.org/fulldisclosure/2022/Jan/74 (mailing-list, Mailing List, Third Party Advisory, Mitigation)
- packetstormsecurity.com/files/165749/SAP-CommonCryptoLib-Null-Pointer-Dereferen… (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-38177?
- CVE-2021-38177 is a high-severity vulnerability in SAP Commoncryptolib, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2021-09-14.
- How severe is CVE-2021-38177?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-38177 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.