🛡️ CVE-2021-4286 — srp

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-203 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

cocagne pysrp vulnerable to side channel leaks

A vulnerability, which was classified as problematic, has been found in cocagne pysrp up to 1.0.16. This issue affects the function calculate_x of the file srp/_ctsrp.py. The manipulation leads to information exposure through discrepancy. Upgrading to version 1.0.17 is able to address this issue. The name of the patch is dba52642f5e95d3da7af1780561213ee6053195f. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-216875.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. Rated impact: confidentiality high, integrity none, availability none.

Affected software

CVE-2021-4286 is recorded against 1 package.

  • srp (fixed in 1.0.17)

Timeline and source

Published on 27 December 2022 and last revised on 10 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Package)
github.com (Web)
github.com (Web)
vuldb.com (Web)
vuldb.com (Web)

CVE-2021-4286 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CWE CWE-203
Public Exploit ✅ No
Source OSV
Published 2022-12-27
Updated 2026-08-12
Modified 2026-06-10

Affected Packages

Software From version Fixed in
srp — 1.0.17

Similar Threats

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