CVE-2016-7037

mediumpriority · track · 30EPSS 0.007 · 54 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.72% (54th) EPSS

CVSS 5 · medium

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

The verify function in Encryption/Symmetric.php in Malcolm Fell jwt before 1.0.3 does not use a timing-safe function for hash comparison, which allows attackers to spoof signatures via a timing attack.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-361USprimary

affected products (2)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
emarref jwt≤ 1.0.2nvdUScpe:2.3:a:emarref:jwt:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2017-01-23modified 2026-06-17

related (7)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2014-0196US	medium6.9OT critical	20.3% (97th)	KEV	2014-05-07
The n_tty_write function in drivers/tty/n_tty.c in the Linux kernel through 3.14.3 does not properly manage tty driver access in the "LECHO & !OPOST" case, which allows local users…
CVE-2016-7547US	critical9.8	92.7% (100th)	Exploit	2017-04-12
A command execution flaw on the Trend Micro Threat Discovery Appliance 2.6.1062r1 exists with the timezone parameter in the admin_sys_time.cgi interface.
CVE-2016-7036US	critical9.8	2.17% (82nd)	—	2017-01-23
python-jose before 1.3.2 allows attackers to have unspecified impact by leveraging failure to use a constant time comparison for HMAC keys.
CVE-2016-1643US	high8.8	2.69% (86th)	—	2016-03-13
The ImageInputType::ensurePrimaryContent function in WebKit/Source/core/html/forms/ImageInputType.cpp in Blink, as used in Google Chrome before 49.0.2623.87, does not properly main…
CVE-2015-5300US	high7.5	9.13% (95th)	—	2017-07-21
The panic_gate check in NTP before 4.2.8p5 is only re-enabled after the first change to the system clock that was greater than 128 milliseconds by default, which allows remote atta…

+2 more

references (8)

External citations — patches, advisories, analysis.

https://github.com/emarref/jwt/pull/20 cnnvd
https://github.com/emarref/jwt/releases/tag/1.0.3 cnnvd
http://www.securityfocus.com/bid/95847 enisa_euvd
https://github.com/emarref/jwt/pull/20 enisa_euvd
https://github.com/emarref/jwt/releases/tag/1.0.3 enisa_euvd
http://www.securityfocus.com/bid/95847 nvd
https://github.com/emarref/jwt/pull/20Issue TrackingPatchThird Party Advisorynvd
https://github.com/emarref/jwt/releases/tag/1.0.3Issue TrackingPatchThird Party Advisorynvd

scry

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