CVE-2021-27290
HIGH
7.5
CVSS Score
Published: March 12, 2021 at 09:47 PM UTC
Updated: June 17, 2026 at 03:44 AM UTC
3 products affected across 3 vendorsGraalVMSinec Infrastructure Network ServicesSsri
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Severity
HIGH7.5
Exploit prediction
EPSS 5%
Description
ssri 5.2.2-8.0.0, fixed in 8.0.1, processes SRIs using a regular expression which is vulnerable to a denial of service. Malicious SRIs could take an extremely long time to process, leading to denial of service. This issue only affects consumers using the strict option.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.0.1.1
Affected range stops below 1.0.1.1, so it looks safe — our inference, not a vendor statement
95%
5.2.2 ≤ v < 6.0.27.0.0 ≤ v < 8.0.1
Affected range stops below 6.0.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.0.1, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (5)
x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfx_refsource_MISCExploitPatchThird Party Advisory
Source: [email protected]
https://doyensec.com/resources/Doyensec_Advisory_ssri_redos.pdfx_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/yetingli/SaveResults/blob/main/pdf/ssri-redos.pdfx_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://www.oracle.com/security-alerts/cpuoct2021.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-Other
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