How severe is CVE-2021-4286?

CVE-2021-4286 has a CVSS 3.x base score of 2.6, rated low severity. It is exploitable over an adjacent network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-4286 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-4286?

CVE-2021-4286 affects Pysrp Project Pysrp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-4286?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-4286 published?

CVE-2021-4286 was published on 2022-12-27 and last updated on 2026-06-17.

CVE-2021-4286

CVE-2021-4286 is a low-severity vulnerability in Pysrp Project Pysrp with a CVSS 3.x base score of 2.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-203.

Key facts

Severity: Low (CVSS 3.x base score 2.6)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-203
Affected product: Pysrp Project Pysrp
Published: 2022-12-27
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2021-4286?: 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 severe is CVE-2021-4286?: CVE-2021-4286 has a CVSS 3.x base score of 2.6, rated low severity. It is exploitable over an adjacent network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-4286 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-4286?: CVE-2021-4286 affects Pysrp Project Pysrp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-4286?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-4286 published?: CVE-2021-4286 was published on 2022-12-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pysrp_project:pysrp:*:*:*:*:*:*:*:*

Other CWE-203 (Observable Discrepancy) vulnerabilities

CVE-2019-25337 — Critical (CVSS 9.8): OwnCloud 8.1.8 contains a username enumeration vulnerability that allows remote attackers to discover user accounts by…
CVE-2026-23519 — Critical (CVSS 9.8): RustCrypto CMOV provides conditional move CPU intrinsics which are guaranteed on major platforms to execute in…
CVE-2025-27667 — Critical (CVSS 9.8): Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application 20.0.1923 allows Administrative…
CVE-2024-25714 — Critical (CVSS 9.8): In Rhonabwy through 1.1.13, HMAC signature verification uses a strcmp function that is vulnerable to side-channel…
CVE-2024-25191 — Critical (CVSS 9.8): php-jwt 1.0.0 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass…
CVE-2024-25190 — Critical (CVSS 9.8): l8w8jwt 2.2.1 uses memcmp (which is not constant time) to verify authentication, which makes it easier to bypass…

Browse all CWE-203 (Observable Discrepancy) vulnerabilities →