CVE-2022-2891: unknown wp 2fa Observable Discrepancy
CVSS: 5.9v3.1MediumModified
Published 10-10-2022Last modified 03-08-2024
Vulnerability summary
CVE-2022-2891 is a medium (CVSS 5.9) Observable Discrepancy vulnerability in unknown wp 2fa. EPSS estimates a 0.95% chance of exploitation in the next 30 days, higher than 60.7% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 2.3.0.
CVSS score
5.9/10
010
Medium · v3.1 (NVD)EPSS score
0.95%
0%100%
Low · +0.12 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 10-10-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
The WP 2FA WordPress plugin before 2.3.0 uses comparison operators that don't mitigate time-based attacks, which could be abused to leak information about the authentication codes being compared.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.9Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NSources2 sources · 5.3–5.9
- wordfenceSource5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NDiffers
EPSS trend
Probability
0.95%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
+0.12 pp
From 0.83% on 19-09-2026
19-09-202619-10-2026
EPSS score0.95%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-203Observable DiscrepancyThe product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.
- CWE-204Observable Response DiscrepancyThe product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere.
Affected systems
Unknown1 product
- wp 2fa< 2.3.0
Wordpress1 product
- wp-2fa≤ 2.2.1 (fixed in 2.3.0)
Wpwhitesecurity1 product
- wp_2fa< 2.3.0
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/301b3dce-2584-46ec-92ed-1c0626522120ExploitVDB EntryTechnical DescriptionThird Party Advisory