CVE-2021-31590
PwnDoc JSON Webtoken Privilege Escalation
Description
PwnDoc all versions until 0.4.0 (2021-08-23) has incorrect JSON Webtoken handling, leading to incorrect access control. With a valid JSON Webtoken that is used for authentication and authorization, a user can keep his admin privileges even if he is downgraded to the "user" privilege. Even after a user's account is deleted, the user can still access the administration panel (and add or delete users) and has complete access to the system.
INFO
Published Date :
July 19, 2021, 8:15 p.m.
Last Modified :
Nov. 21, 2024, 6:05 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-31590.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-31590 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-31590 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/pwndoc/pwndoc/blob/59519735b0d831d8fd96d7c3387f66d28407e583/CHANGELOG.md#040-2021-08-23 Added Reference https://github.com/pwndoc/pwndoc/commit/15f3dc0e212eda465e05fda0feb002d1bce2939d Added Reference https://github.com/pwndoc/pwndoc/commit/ff1b868cec55f5b6c7a91e15a2b0b1f4324121ab Added Reference https://github.com/pwndoc/pwndoc/pull/128 Added Reference https://github.com/pwndoc/pwndoc/pull/74 Added Reference https://github.com/pwndoc/pwndoc/security/advisories Added Reference https://www.dgc.org/responsible_disclosure_pwndoc_jwt -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Jul. 12, 2022
Action Type Old Value New Value Changed CWE CWE-863 NVD-CWE-Other -
Modified Analysis by [email protected]
Dec. 03, 2021
Action Type Old Value New Value Changed Reference Type https://github.com/pwndoc/pwndoc/blob/59519735b0d831d8fd96d7c3387f66d28407e583/CHANGELOG.md#040-2021-08-23 No Types Assigned https://github.com/pwndoc/pwndoc/blob/59519735b0d831d8fd96d7c3387f66d28407e583/CHANGELOG.md#040-2021-08-23 Patch, Release Notes, Third Party Advisory Changed Reference Type https://github.com/pwndoc/pwndoc/commit/15f3dc0e212eda465e05fda0feb002d1bce2939d No Types Assigned https://github.com/pwndoc/pwndoc/commit/15f3dc0e212eda465e05fda0feb002d1bce2939d Patch, Third Party Advisory Changed Reference Type https://github.com/pwndoc/pwndoc/commit/ff1b868cec55f5b6c7a91e15a2b0b1f4324121ab No Types Assigned https://github.com/pwndoc/pwndoc/commit/ff1b868cec55f5b6c7a91e15a2b0b1f4324121ab Patch, Third Party Advisory Changed Reference Type https://www.dgc.org/responsible_disclosure_pwndoc_jwt No Types Assigned https://www.dgc.org/responsible_disclosure_pwndoc_jwt Exploit, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:pwndoc_project:pwndoc:*:*:*:*:*:*:*:* versions up to (including) 2021-04-22 OR *cpe:2.3:a:pwndoc_project:pwndoc:*:*:*:*:*:*:*:* versions up to (excluding) 0.4.0 -
CVE Modified by [email protected]
Sep. 13, 2021
Action Type Old Value New Value Changed Description PwnDoc through 2021-04-22 has incorrect JSON Webtoken handling, leading to incorrect access control. With a valid JSON Webtoken that is used for authentication and authorization, a user can keep his admin privileges even if he is downgraded to the "user" privilege. Even after a user's account is deleted, the user can still access the administration panel (and add or delete users) and has complete access to the system. PwnDoc all versions until 0.4.0 (2021-08-23) has incorrect JSON Webtoken handling, leading to incorrect access control. With a valid JSON Webtoken that is used for authentication and authorization, a user can keep his admin privileges even if he is downgraded to the "user" privilege. Even after a user's account is deleted, the user can still access the administration panel (and add or delete users) and has complete access to the system. Added Reference https://github.com/pwndoc/pwndoc/commit/15f3dc0e212eda465e05fda0feb002d1bce2939d [No Types Assigned] Added Reference https://github.com/pwndoc/pwndoc/commit/ff1b868cec55f5b6c7a91e15a2b0b1f4324121ab [No Types Assigned] Added Reference https://github.com/pwndoc/pwndoc/blob/59519735b0d831d8fd96d7c3387f66d28407e583/CHANGELOG.md#040-2021-08-23 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 30, 2021
Action Type Old Value New Value Added Reference https://www.dgc.org/responsible_disclosure_pwndoc_jwt [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 29, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/pwndoc/pwndoc/pull/128 No Types Assigned https://github.com/pwndoc/pwndoc/pull/128 Patch, Third Party Advisory Changed Reference Type https://github.com/pwndoc/pwndoc/pull/74 No Types Assigned https://github.com/pwndoc/pwndoc/pull/74 Patch, Third Party Advisory Changed Reference Type https://github.com/pwndoc/pwndoc/security/advisories No Types Assigned https://github.com/pwndoc/pwndoc/security/advisories Broken Link Added CWE NIST CWE-863 Added CPE Configuration OR *cpe:2.3:a:pwndoc_project:pwndoc:*:*:*:*:*:*:*:* versions up to (including) 2021-04-22
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-31590 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-31590
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.78 }} 0.37%
score
0.81226
percentile