7.5

CVE-2017-12972: connect2id nimbus_jose\+jwt

CVSS: 7.5v3.0HighModified
AliasesGHSA-2qp9-wg27-9pcv
Published 20-08-2017Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-12972 is a high (CVSS 7.5) vulnerability in connect2id nimbus_jose\+jwt. EPSS estimates a 0.89% chance of exploitation in the next 30 days, higher than 58.6% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
0.89%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-08-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

In Nimbus JOSE+JWT before 4.39, there is no integer-overflow check when converting length values from bytes to bits, which allows attackers to conduct HMAC bypass attacks by shifting Additional Authenticated Data (AAD) and ciphertext so that different plaintext is obtained for the same HMAC.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.89%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

0.00 pp

From 0.89% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.89%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Com.nimbusds1 product
  • nimbus-jose-jwt< 4.39
Connect2id1 product
  • nimbus_jose\+jwt1.0 | 1.1 | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 | 1.7 | 1.8 | 1.9 | 1.9.1 | 1.10 | 1.11 | 1.12 | 2.0 | 2.0.1 | 2.1 | 2.1.1 | 2.2 | 2.3 | 2.4 | 2.5 | 2.6 | 2.7 | 2.8 | 2.9 | 2.10 | 2.10.1 | 2.11.0 | 2.12.0 | 2.13.0 | 2.13.1 | 2.14 | 2.15 | 2.15.1 | 2.15.2 | 2.16 | 2.17 | 2.17.1 | 2.17.2 | 2.18 | 2.18.1 | 2.18.2 | 2.19 | 2.19.1 | 2.20 | 2.21 | 2.22 | 2.22.1 | 2.23 | 2.24 | 2.25 | 2.26 | 2.26.1 | 3.0 | 3.1 | 3.1.1 | 3.1.2 | 3.2 | 3.2.1 | 3.2.2 | 3.3 | 3.4 | 3.5 | 3.6 | 3.7 | 3.8 | 3.8.1 | 3.8.2 | 3.9 | 3.9.1 | 3.9.2 | 3.10 | 4.0 | 4.0.1 | 4.1 | 4.1.1 | 4.2 | 4.3 | 4.3.1 | 4.4 | 4.5 | 4.6 | 4.7 | 4.8 | 4.9 | 4.10 | 4.11.1 | 4.11.2 | 4.12 | 4.13 | 4.13.1 | 4.14 | 4.15 | 4.15.1 | 4.16 | 4.16.1 | 4.16.2 | 4.17 | 4.18 | 4.19 | 4.20 | 4.21 | 4.22 | 4.23 | 4.24 | 4.25 | 4.26 | 4.26.1 | 4.27 | 4.27.1 | 4.28 | 4.29 | 4.30 | 4.31.1 | 4.32 | 4.33 | 4.34 | 4.34.1 | 4.34.2 | 4.35 | 4.36.1 | 4.37 | 4.37.1 | 4.38

2 vendors · 2 products

References

6 links