How severe is CVE-2016-7036?

CVE-2016-7036 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-7036 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-7036?

CVE-2016-7036 affects Python-jose Project Python-jose. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-7036?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2016-7036 published?

CVE-2016-7036 was published on 2017-01-23 and last updated on 2026-06-17.

CVE-2016-7036

CVE-2016-7036 is a critical-severity vulnerability in Python-jose Project Python-jose with a CVSS 3.x base score of 9.8. 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-361.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-361
Affected product: Python-jose Project Python-jose
Published: 2017-01-23
Last modified: 2026-06-17

Description

python-jose before 1.3.2 allows attackers to have unspecified impact by leveraging failure to use a constant time comparison for HMAC keys.

Frequently asked questions

What is CVE-2016-7036?: python-jose before 1.3.2 allows attackers to have unspecified impact by leveraging failure to use a constant time comparison for HMAC keys.
How severe is CVE-2016-7036?: CVE-2016-7036 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-7036 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-7036?: CVE-2016-7036 affects Python-jose Project Python-jose. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-7036?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-7036 published?: CVE-2016-7036 was published on 2017-01-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:python-jose_project:python-jose:*:*:*:*:*:*:*:*

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Other CWE-361 vulnerabilities

CVE-2016-7547 — Critical (CVSS 9.8): A command execution flaw on the Trend Micro Threat Discovery Appliance 2.6.1062r1 exists with the timezone parameter in…
CVE-2016-1643 — High (CVSS 8.8): The ImageInputType::ensurePrimaryContent function in WebKit/Source/core/html/forms/ImageInputType.cpp in Blink, as used…
CVE-2015-5300 — High (CVSS 7.5): The panic_gate check in NTP before 4.2.8p5 is only re-enabled after the first change to the system clock that was…
CVE-2016-7037 — High (CVSS 7.5): The verify function in Encryption/Symmetric.php in Malcolm Fell jwt before 1.0.3 does not use a timing-safe function…
CVE-2016-1000345 — Medium (CVSS 5.9): In the Bouncy Castle JCE Provider version 1.55 and earlier the DHIES/ECIES CBC mode vulnerable to padding oracle…
CVE-2016-1000341 — Medium (CVSS 5.9): In the Bouncy Castle JCE Provider version 1.55 and earlier DSA signature generation is vulnerable to timing attack.…

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